Biology Questions

The best high school and college tutors are just a click away, 24×7! Pick a subject, ask a question, and get a detailed, handwritten solution personalized for you in minutes. We cover Math, Physics, Chemistry & Biology.
following sentences using an appositive Emma is the hardest worker I know She has a big blue binder of notes A She has a big blue binder of notes and Emma is the hardest worker I know B Emma the hardest worker I know has a big blue binder of notes C Emma has a big blue binder of notes and is the hardest workor I In 24
Biology
Human Physiology - Breathing & Exchange of Gases
following sentences using an appositive Emma is the hardest worker I know She has a big blue binder of notes A She has a big blue binder of notes and Emma is the hardest worker I know B Emma the hardest worker I know has a big blue binder of notes C Emma has a big blue binder of notes and is the hardest workor I In 24
What is the point of view of 26 this excerpt from Cora Collen s The Burning Book A Third Person Omniscient we know the thoughts of all the characters B Third Person Limited we know the thoughts of just one character C First Person the narrator is a character in the story
Biology
Human Reproduction
What is the point of view of 26 this excerpt from Cora Collen s The Burning Book A Third Person Omniscient we know the thoughts of all the characters B Third Person Limited we know the thoughts of just one character C First Person the narrator is a character in the story
Which type of hominin was the direct ancestor of Homo habilis O A Homo sapiens OB Homo O C Homo erectus O D Australopithecus neanderthalensis
Biology
Evolution
Which type of hominin was the direct ancestor of Homo habilis O A Homo sapiens OB Homo O C Homo erectus O D Australopithecus neanderthalensis
Between the years 1910 and 1920 the largest percentage of people relied on source of income O banking O farming as their prima
Biology
Ecology - General
Between the years 1910 and 1920 the largest percentage of people relied on source of income O banking O farming as their prima
The author s style in an expository essay is the A choice of the topic to write about B touch and feel the particular use of words and sentences that conveys the author s personality C knowledge about the subject of the essay D main point being exposed in the essay
Biology
Ecology - General
The author s style in an expository essay is the A choice of the topic to write about B touch and feel the particular use of words and sentences that conveys the author s personality C knowledge about the subject of the essay D main point being exposed in the essay
Based on Table 24 4 in the lab book which character is likely the earliest evolved character O seeds O compound leaves
Biology
Biological Classification
Based on Table 24 4 in the lab book which character is likely the earliest evolved character O seeds O compound leaves
4 points L The coefficient of relatedness r can range from 0 for unrelated individuals to 1 for clones identical twins If B is the benefit to the recipient arising from help given by one member of a species to another of the same species and C is the cost to the donor for helping then Hamilton s rule which suggests whether a particular helping behavior should be Fit and survive within a population or decline in usag Unfit is expressed as when the helping behavior is likely to survive and be cost efficient OrB C OrB C O B rc O Berc A Moving to another question will save this responce
Biology
Human Physiology - Locomotion & Movement
4 points L The coefficient of relatedness r can range from 0 for unrelated individuals to 1 for clones identical twins If B is the benefit to the recipient arising from help given by one member of a species to another of the same species and C is the cost to the donor for helping then Hamilton s rule which suggests whether a particular helping behavior should be Fit and survive within a population or decline in usag Unfit is expressed as when the helping behavior is likely to survive and be cost efficient OrB C OrB C O B rc O Berc A Moving to another question will save this responce
Which of the following categories includes lemurs O Apes Australopithecene O Hominins
Biology
Evolution
Which of the following categories includes lemurs O Apes Australopithecene O Hominins
Buying a cereal product with your favorite cartoon character shown on the packaging is an example of choosing food based on criteria O psychological sensory O budgetary O nutritional
Biology
Animal Kingdom
Buying a cereal product with your favorite cartoon character shown on the packaging is an example of choosing food based on criteria O psychological sensory O budgetary O nutritional
when the body is invaded by microbe which of the following occurs FIRST O Complement activation by the classical pathway phagocytosis vasodilation and increased vascular leakage initial stage of inflammation antibodies are made and released complement activation by the alternate pathway OT and B cells are turned ON
Biology
Human Health and Diseases
when the body is invaded by microbe which of the following occurs FIRST O Complement activation by the classical pathway phagocytosis vasodilation and increased vascular leakage initial stage of inflammation antibodies are made and released complement activation by the alternate pathway OT and B cells are turned ON
Question 18 Multiple Choice Worth 4 points Almost all of the data that is collected from radiosonde is displayed on which of the following O Skew T Diagram O Radar Images O Station Model Plot
Biology
The Living World
Question 18 Multiple Choice Worth 4 points Almost all of the data that is collected from radiosonde is displayed on which of the following O Skew T Diagram O Radar Images O Station Model Plot
a B cell that recognizes the spike of covid 19 virus sars cov 2 makes antibodies that bind the spike of the HIV aids virus only spike of the covid 19 virus only O any protein component of covid 19 virus not just the spike the spike protein of ANY virus the spike and RNA polymerase of the covid 19 virus O the spike of the flu virus only
Biology
Human Health and Diseases
a B cell that recognizes the spike of covid 19 virus sars cov 2 makes antibodies that bind the spike of the HIV aids virus only spike of the covid 19 virus only O any protein component of covid 19 virus not just the spike the spike protein of ANY virus the spike and RNA polymerase of the covid 19 virus O the spike of the flu virus only
The policy in which the government gave people either gold or silver in exchange for paper currency or checks was called O Bimetallism O The gold standard From cai
Biology
The Living World
The policy in which the government gave people either gold or silver in exchange for paper currency or checks was called O Bimetallism O The gold standard From cai
Which of the following categories includes lemurs O Apes O Australopithecene O Hominins Prosimians
Biology
The Living World
Which of the following categories includes lemurs O Apes O Australopithecene O Hominins Prosimians
Which of the following exchange rates measures the rate at which goods and services in one country may be converted into goods and services in another country A real exchange rate B nominal exchange rate C nationalist exchange rate D none of the above
Biology
The Living World
Which of the following exchange rates measures the rate at which goods and services in one country may be converted into goods and services in another country A real exchange rate B nominal exchange rate C nationalist exchange rate D none of the above
Which of the following statements would have been made by those who were opposed to FDR s New Deal policies in the 1930s A The New Deal was not involved in any social programs B The New Deal promoted the idea of rugged individualism C The New Deal was a form of socialism and
Biology
Ecology - Environmental Issues
Which of the following statements would have been made by those who were opposed to FDR s New Deal policies in the 1930s A The New Deal was not involved in any social programs B The New Deal promoted the idea of rugged individualism C The New Deal was a form of socialism and
Which of the following is NOT a primary function of the skin O Protection of underlying tissues organs O Excretion of salts water organic wastes O Maintenance of normal body temperature O Synthesis of vitamin D Storage resivoir for sugars
Biology
Structural Organization in Animals
Which of the following is NOT a primary function of the skin O Protection of underlying tissues organs O Excretion of salts water organic wastes O Maintenance of normal body temperature O Synthesis of vitamin D Storage resivoir for sugars
Fever can be caused by O production of antiviral proteins AVP O CTL destroying infected cells inflammation O phagocytes digesting lots of microbes resulting in IL 1 release during severe infecti
Biology
Human Health and Diseases
Fever can be caused by O production of antiviral proteins AVP O CTL destroying infected cells inflammation O phagocytes digesting lots of microbes resulting in IL 1 release during severe infecti
Which of the following is NOT a complete sentence A It is hard to do well in school when you aren t healthy B The best way to stay healthy is to sleep well eat healthily work out and manage stress C Working on school assignments all of the time especially late at night
Biology
Ecology - Environmental Issues
Which of the following is NOT a complete sentence A It is hard to do well in school when you aren t healthy B The best way to stay healthy is to sleep well eat healthily work out and manage stress C Working on school assignments all of the time especially late at night
which of the following events turns on activates T and B cells Release of type 1 interferons fever OT and B cells bind to the antigen epitope that they recognize antibodies bind to T and B cells complement activation
Biology
Human Health and Diseases
which of the following events turns on activates T and B cells Release of type 1 interferons fever OT and B cells bind to the antigen epitope that they recognize antibodies bind to T and B cells complement activation
Suppose you have labeled the pyruvate with 14C in its keto group Where would you find the labeled carbon at the end of one turn of the TCA cycle Compound 1 El 4 Compound 2 E2 Compound 3 E3 Compound 4 E4 to Compound 5 E5 Compound 6
Biology
Plant Physiology - Respiration
Suppose you have labeled the pyruvate with 14C in its keto group Where would you find the labeled carbon at the end of one turn of the TCA cycle Compound 1 El 4 Compound 2 E2 Compound 3 E3 Compound 4 E4 to Compound 5 E5 Compound 6
Extra credit which of the following is NOT involved in cooperation between the innate defenses and the immun system complement activation by lectin pathway TLR toll like receptors macrophages inflammation Antibodies Th T helper cells
Biology
Human Health and Diseases
Extra credit which of the following is NOT involved in cooperation between the innate defenses and the immun system complement activation by lectin pathway TLR toll like receptors macrophages inflammation Antibodies Th T helper cells
A good thesis statement should be which of the following A A question for your readers to answer B A statement of all possible positions on the topic of your essay C A summary of your essay D A statement of your position not a question
Biology
The Living World
A good thesis statement should be which of the following A A question for your readers to answer B A statement of all possible positions on the topic of your essay C A summary of your essay D A statement of your position not a question
direct fitness results from an organism s own success in transmitting its genes to future generations and Indirect fitness results from the reproductive success of of individuals alleles to future generations then Inclusive fitness is Indirect Fitness without the effects of Direct Fitness The combined effects on fitness of direct and indirect fitness The reduction in direct fitness which occurs because indirect fitness benefits other individuals None of the above
Biology
Evolution
direct fitness results from an organism s own success in transmitting its genes to future generations and Indirect fitness results from the reproductive success of of individuals alleles to future generations then Inclusive fitness is Indirect Fitness without the effects of Direct Fitness The combined effects on fitness of direct and indirect fitness The reduction in direct fitness which occurs because indirect fitness benefits other individuals None of the above
4 points Save Which of the following terms describes to the malleability changeability of neuronal connections where some connections become stronger and others weaker and some new connections are formed in ord to facilitate learning O Dendritic darkening Synaptic Plasticity O Axonal transport Endochondral ossification
Biology
Human Physiology - Chemical Coordination
4 points Save Which of the following terms describes to the malleability changeability of neuronal connections where some connections become stronger and others weaker and some new connections are formed in ord to facilitate learning O Dendritic darkening Synaptic Plasticity O Axonal transport Endochondral ossification
Under the NAFTA trade agreement which of the following is true A No trade exists with Mexico B No tariffs exist with Mexico C Mexico is a part of the WTO D Mexico exports workers to the US
Biology
Ecology - Organisms & Population
Under the NAFTA trade agreement which of the following is true A No trade exists with Mexico B No tariffs exist with Mexico C Mexico is a part of the WTO D Mexico exports workers to the US
Question 3 Points 1 In the 1920 s the changing image of women was symbolized by the O drafting of women into the army O passing of an equal pay act
Biology
The Living World
Question 3 Points 1 In the 1920 s the changing image of women was symbolized by the O drafting of women into the army O passing of an equal pay act
the differential white blood cell count Refers ONLY to the number of T cells and B cells in the blood O refers ONLY to the number of white blood cells that are NOT T and B cells does NOT change during the course of infection can help us determine whether the patient is recovering from infection is the amount of antibodies in the blood includes the amount of complement proteins in the blood
Biology
Human Health and Diseases
the differential white blood cell count Refers ONLY to the number of T cells and B cells in the blood O refers ONLY to the number of white blood cells that are NOT T and B cells does NOT change during the course of infection can help us determine whether the patient is recovering from infection is the amount of antibodies in the blood includes the amount of complement proteins in the blood
The Spanish Flu of 1918 was able to spread to a very large number of people despite being very deadly Why Because humans had never been exposed to influenza prior to that time O Because it was spread rapidly by soldiers and training camps for World War I O Because Human immune systems from this early period were stronger and more resistant than those of current day Americans O Because humans were being vaccinated with live virus and thus doctors were inadvertently spreading the virus
Biology
The Living World
The Spanish Flu of 1918 was able to spread to a very large number of people despite being very deadly Why Because humans had never been exposed to influenza prior to that time O Because it was spread rapidly by soldiers and training camps for World War I O Because Human immune systems from this early period were stronger and more resistant than those of current day Americans O Because humans were being vaccinated with live virus and thus doctors were inadvertently spreading the virus
A Gonadotropins from anterior pituitary C cj D Follicle stimulating hormone FSH Estrogen B Luteinizing hormone LH Progesterone A E Refer to the picture above and select the correct response A E to each statement 1 Ovulation occurs at D 2 The endometrial lining is built up the thickest at A signals the development of new follicles 4 The endometrial lining starts to thicken at B
Biology
The Living World
A Gonadotropins from anterior pituitary C cj D Follicle stimulating hormone FSH Estrogen B Luteinizing hormone LH Progesterone A E Refer to the picture above and select the correct response A E to each statement 1 Ovulation occurs at D 2 The endometrial lining is built up the thickest at A signals the development of new follicles 4 The endometrial lining starts to thicken at B
patient suspected of suffering from Graves disease would present very low levels of TSH but high levels of thyroid hormone True False
Biology
Human Physiology - Chemical Coordination
patient suspected of suffering from Graves disease would present very low levels of TSH but high levels of thyroid hormone True False
What criteria and constraints are associated with using photosynthesis to generate energy on a large scale for human use
Biology
Plant Physiology - Photosynthesis
What criteria and constraints are associated with using photosynthesis to generate energy on a large scale for human use
Compensation means how many hours a person works in one week O True O False
Biology
Animal Kingdom
Compensation means how many hours a person works in one week O True O False
In accordance with Darwin s ideas about evolution the base of the phylogenetic tree should represent O all descendents in the group O the common ancestor for the group the actual time frame that the lineage evolved the exact identity of the ancestor
Biology
Evolution
In accordance with Darwin s ideas about evolution the base of the phylogenetic tree should represent O all descendents in the group O the common ancestor for the group the actual time frame that the lineage evolved the exact identity of the ancestor
What is the independent variable in this experiment A how likely the subjects are to get cavities B how often the subjects brush and floss C how much sleep the subjects get D how much water the subjects drink Experimental Design Dental Experiment Consider the following experiment Use it to help answer the question A dentist wants to know if her patients dental habits affect how likely they are to get cavities She conducts the following experiment using two subject groups Group 1 brush their teeth and floss twice per day Group 2 continue their usual poor dental habits only occasionally brushing and flossing
Biology
The Living World
What is the independent variable in this experiment A how likely the subjects are to get cavities B how often the subjects brush and floss C how much sleep the subjects get D how much water the subjects drink Experimental Design Dental Experiment Consider the following experiment Use it to help answer the question A dentist wants to know if her patients dental habits affect how likely they are to get cavities She conducts the following experiment using two subject groups Group 1 brush their teeth and floss twice per day Group 2 continue their usual poor dental habits only occasionally brushing and flossing
What is the evidence behind the current conclusion of the Neanderthal Genome Project that Non Africans have between 196 and 496 DNA from Neanderthals O Neanderthal derived SNPS O A ribosomal similarity between Eurasians and Neanderthals O The fact that all other hominins besides Neanderthals and Eurasians carry a hemoglobin allele which is very different from Neanderthals and Eurasians O The pieces of DNA which is in Neanderthals has been dated TMRCA to a date which would give 1 4 total similarity to Eurasia
Biology
Evolution
What is the evidence behind the current conclusion of the Neanderthal Genome Project that Non Africans have between 196 and 496 DNA from Neanderthals O Neanderthal derived SNPS O A ribosomal similarity between Eurasians and Neanderthals O The fact that all other hominins besides Neanderthals and Eurasians carry a hemoglobin allele which is very different from Neanderthals and Eurasians O The pieces of DNA which is in Neanderthals has been dated TMRCA to a date which would give 1 4 total similarity to Eurasia
hich of the following categories matches best to the phylogeny of hominin O Apes Primates O Upright walking bipedal Apes
Biology
Evolution
hich of the following categories matches best to the phylogeny of hominin O Apes Primates O Upright walking bipedal Apes
an island in San Francisco Bay that was the chief immigration station on the western coast of the United States was called O Ellis Island O Angel Island O Bay Island
Biology
The Living World
an island in San Francisco Bay that was the chief immigration station on the western coast of the United States was called O Ellis Island O Angel Island O Bay Island
At the end of the early 1990s conflict with Iraq who was the Iraqi leader A Al Sadr B Saddam Hussein C Ayatollah Khamenei D Osama bin Laden
Biology
The Living World
At the end of the early 1990s conflict with Iraq who was the Iraqi leader A Al Sadr B Saddam Hussein C Ayatollah Khamenei D Osama bin Laden
ased on your knowledge and the information presented in this lesson which answer best completes this diagram Could speak English Had enough money 25 O Were healthy Conditions for immigrants to be allowed to stay in America O Had an occupation or skills to work
Biology
Ecology - Environmental Issues
ased on your knowledge and the information presented in this lesson which answer best completes this diagram Could speak English Had enough money 25 O Were healthy Conditions for immigrants to be allowed to stay in America O Had an occupation or skills to work
Using the Data Dump Outline which of the following is 9 Warrant 1 A the enhanced mental health B the reason exercise increased C the improved eating habits Body Paragraph Structure Claim We should lengthen the school year to better students health Argument Sandwich Outline Data 1 the increased exercise Warrant 1 the reason exercise increased Data 2 the enhanced mental health Warrant 2 the reason mental health enhanced Data 3 the improved eating habits Warrant 3 the reason eating habits improved Data Dump Outline Data 1 the increased exercise Data 2 the enhanced mental health Data 3 the improved eating habits
Biology
The Living World
Using the Data Dump Outline which of the following is 9 Warrant 1 A the enhanced mental health B the reason exercise increased C the improved eating habits Body Paragraph Structure Claim We should lengthen the school year to better students health Argument Sandwich Outline Data 1 the increased exercise Warrant 1 the reason exercise increased Data 2 the enhanced mental health Warrant 2 the reason mental health enhanced Data 3 the improved eating habits Warrant 3 the reason eating habits improved Data Dump Outline Data 1 the increased exercise Data 2 the enhanced mental health Data 3 the improved eating habits
extra credit an individual is protected by the immune or defense mechanisms such as antibodies of another individual is known as herd immunity cellular immunity humoral immunity passive immunity active immunity
Biology
Human Health and Diseases
extra credit an individual is protected by the immune or defense mechanisms such as antibodies of another individual is known as herd immunity cellular immunity humoral immunity passive immunity active immunity
River is home to many different species of fish and other aquatic organisms The is very reliant on the Sound s sea grasses which get energy from photosynthesis Clear water is critical to bay grasses The sun s rays must be able to pass through the water to reach these underwater plants growing in th Passaic s shallows Sunlight is the single most important factor determining bay grass survival Fish also need clea water to see their prey and avoid being eaten by predators Water clarity is the percent of light that passes throug the water Clear lake having a small algal population results in a deep SDT reading high clarity Light Penetration di Turbid lake having large algal population results in shallow SDT reading low clarity To measure water clarity The Secchi disc is lowered into the water until it disappears then pulled up until it can just barely be seen Scientists mark the water line on the rope and measure the distance between the Secchi disc and the water line Nutrient and sediment pollution are the main causes of the Sound s poor water clarity When excess nutrients run off into the Passaic River they can fuel the growth of water clouding algae Similarly when soil erodes and washes into the Sound particles of sediment can become suspended in the water Weather plays a large role in water clarity Rain storms wash dirt and pollutants into the Passaic which causes the water to look muddy During drier conditions the water tends to be clearer Water clarity will always fluctuate naturally depending on weather conditions Questions Write a problem statement for the above scenario
Biology
Human Physiology - Breathing & Exchange of Gases
River is home to many different species of fish and other aquatic organisms The is very reliant on the Sound s sea grasses which get energy from photosynthesis Clear water is critical to bay grasses The sun s rays must be able to pass through the water to reach these underwater plants growing in th Passaic s shallows Sunlight is the single most important factor determining bay grass survival Fish also need clea water to see their prey and avoid being eaten by predators Water clarity is the percent of light that passes throug the water Clear lake having a small algal population results in a deep SDT reading high clarity Light Penetration di Turbid lake having large algal population results in shallow SDT reading low clarity To measure water clarity The Secchi disc is lowered into the water until it disappears then pulled up until it can just barely be seen Scientists mark the water line on the rope and measure the distance between the Secchi disc and the water line Nutrient and sediment pollution are the main causes of the Sound s poor water clarity When excess nutrients run off into the Passaic River they can fuel the growth of water clouding algae Similarly when soil erodes and washes into the Sound particles of sediment can become suspended in the water Weather plays a large role in water clarity Rain storms wash dirt and pollutants into the Passaic which causes the water to look muddy During drier conditions the water tends to be clearer Water clarity will always fluctuate naturally depending on weather conditions Questions Write a problem statement for the above scenario
A Gonadotropins from anterior pituitary C Follicle stimulating hormone FSH Estrogen B choose your answer Luteinizing hormone LH Progesterone A E er to the picture above and select the correct response A E to each statement Ovulation occurs at choose your answer 2 The endometrial lining is built up the thickest at choose your answer signals the development of new follicles 4 The endometrial lining starts to thicken at choose your
Biology
Human Reproduction
A Gonadotropins from anterior pituitary C Follicle stimulating hormone FSH Estrogen B choose your answer Luteinizing hormone LH Progesterone A E er to the picture above and select the correct response A E to each statement Ovulation occurs at choose your answer 2 The endometrial lining is built up the thickest at choose your answer signals the development of new follicles 4 The endometrial lining starts to thicken at choose your
ed on your own knowledge and the information presented in this lesson what do all of the Owing have in common Speakeasies Bootlegging They resulted Organized Crime They resulted after the Scopes Trial ended They resulted after farmer s crop production failed
Biology
The Living World
ed on your own knowledge and the information presented in this lesson what do all of the Owing have in common Speakeasies Bootlegging They resulted Organized Crime They resulted after the Scopes Trial ended They resulted after farmer s crop production failed
Led American foreign policy experts College President O Theodore Roosevelt Cecil John Rhodes Which of the following best completes the diagram Urged a build up of U S military strength
Biology
The Living World
Led American foreign policy experts College President O Theodore Roosevelt Cecil John Rhodes Which of the following best completes the diagram Urged a build up of U S military strength
15 The graph to the right is an example of what type of growth e Exponential f Limited g Logistic h Quadradic 16 The dotted line at the top of the graph to the right represents i Infinity j Carrying capacity k Exponential growth 1 Rapid growth Population size Early growth is rapid Time 17 Which cell part contains all the genetic material or DNA directions for making proteins m Golgi apparatus n Vacuole o Nucleus p Centriole 18 Which cell part converts chemical energy stored in food into usable enero ATP Later growth approaches zero Growth begins to slow
Biology
Ecology - General
15 The graph to the right is an example of what type of growth e Exponential f Limited g Logistic h Quadradic 16 The dotted line at the top of the graph to the right represents i Infinity j Carrying capacity k Exponential growth 1 Rapid growth Population size Early growth is rapid Time 17 Which cell part contains all the genetic material or DNA directions for making proteins m Golgi apparatus n Vacuole o Nucleus p Centriole 18 Which cell part converts chemical energy stored in food into usable enero ATP Later growth approaches zero Growth begins to slow
During the 1990s which politician sponsored the High Performance Computing Act that enabled the Internet to be created A Al Gore B Bill Clinton C George H W Bush D George W Bush
Biology
Biotechnology & its Applications
During the 1990s which politician sponsored the High Performance Computing Act that enabled the Internet to be created A Al Gore B Bill Clinton C George H W Bush D George W Bush
Study this list and answer the question that follows Sitting Bull Crazy Horse Red Cloud All three of these names refer to O Indian warriors O Indian chiefs who fought government forces
Biology
The Living World
Study this list and answer the question that follows Sitting Bull Crazy Horse Red Cloud All three of these names refer to O Indian warriors O Indian chiefs who fought government forces
In this excerpt from her biography Living Well Living Good Maya Angelou used which of the following characterization techniques to convey a dominant impression of her character Aunt Tee Sec 5 Aunt Tee oversaw the workers A a character s words B a character s actions C a character s gestures D a character s emotions
Biology
Ecology - General
In this excerpt from her biography Living Well Living Good Maya Angelou used which of the following characterization techniques to convey a dominant impression of her character Aunt Tee Sec 5 Aunt Tee oversaw the workers A a character s words B a character s actions C a character s gestures D a character s emotions