Biology Questions

a technique drawing attention Oto problems in society often through humor or exaggeration a technique drawing attention Oto problems in society often through violence or threats sarcasm in which the speaker appears to be polite and listeners only understand later that the remark was sarcastic a literary device used to make a O situation seem less important

Choose the correct answer Sarcasm differs from the other forms of irony because O it has a sharper edge O it is kinder O it is funnier

C What characteristic of the phospholipid makes it particularly suited to its function of constructing membranes O It is completely hydrophobic It is amphipathic O It has a ring like structure O it is completely hydrophilic

What explicit idea is Hawthorne making throughout the novel The Scarlet Letter The story focuses on taking revenge on wrongdoers The story is all about the strict O norms followed in the Puritan society The story helps to understand O how the townspeople suffered because of strict Puritan rules The story brings to light how O women were treated in the

enterocoely or schizocoely schizocoely or coelomy acoelomy or enterocoelomy pseudocoely or coelomy Question 39 0 5 points Saved Listen Animals are considered diploblastic or triplobastic depending on wether the blastopore during their development becomes the mouth first or the anus firs True

estion 49 Listen A clade is a grouping of species whereas a taxon is a groupi regardless of the species they belong to True False

Multiple Choice Question B HO HO 0 HO III H HHH H HHHHHHH 1 1 1 C c c c C C C C H I I H H HHH 1 I HH I II HHH C H 1 The fatty acid in C is unsaturated How could it be converted to the straight structure in A and E O Remove the upper hydrogen atoms from carbons 4 and 5 counting from the left wh would remove the kink in the molecule O The structure in C cannot be converted into a straight structure O Remove upper hydrogens atoms from carbons 3 and 6 counting from the left to bal ance out those missing from carbons 4 and 5 O Add hydrogen atoms to carbons 4 and 5 counting from the left which would saturate all carbon atoms

A sponge has the following only cells no tissues Ono gut cavity a blastocoel a coelom Da blastopore is formed during development Question 41 1 point Listen Arthropods have metameres and a bilateral body symmetry O True False

True False Question 33 1 point Listen Pseudocoelomate animals have an enclosed body cavity formed from the blastocoel no true body cavity a true body cavity called the gut two body cavities but only one is complete Saved Question 34 0 5 points Saved Listen Cephalization in animals happens with which of the following body plan bilateral symmetrical

Question 24 0 75 poin Listen GOOOOOOOOOOOOO 17 What structure is indicated by C Question 25 0 75 points A B CERCOLCHOLO C D

cells will migrate within the True False Question 37 2 points Saved Listen Acoelomate animals have the following select all that applies Select 4 correct answer s do not form a gastrula a true gut cavity mesodermic cells only one body cavity called the gut trinl

What is a phospholipid O A type of triglyceride that contains phosphate groups O An amphipathic molecule used to construct membranes O A hydrophobic molecule involved in cell signaling O A sterol involved in maintaining membrane fluidity O A hydrophobic molecule used for energy storage

ideas view the Concept Maps resource Create a concept map for human tissue PLTW LABORATORY NOTEBOOK Include in your concept map The four main classifications of tissues nervous epithelial muscle and connective tissues One word for each type to summarize the role or function the tissue type plays in the body Find a logical place for the following words and add them to your concept map Bone Cartilage O Tendon Adipose fat Skeletal muscle O Ligament O Nerve O Epithelium Blood Add connections and other terms as you see fit

A Because DNA polymerase can only add to the 3 end the DNA copy can only grow in the direction 5 to 3 B nonparallel C 3 to 5

Match each description with the most appropriate atom of the choices given chlorine sodium or carbon Labels Drop Zones Highest electronegativity Most likely to lose an electron Has 7 valence electrons Most likely to share electrons Most likely to form covalent bonds Has 4 valence electrons Lowest electronegativity Chlorine atomic number 17 1 3 Reset All Sodium atomic number 11 2 3 Carbon atomic number 6 3 3

Iron Fe Chloride CI Zinc Zn Oxygen O Magnesium Mg Sodium Na One of the 4 most common 1 3 Present in trace amounts only 2 3 Not one of common 3

Match the appropriate atomic number mass or property with the corresponding element P of protons N of neutrons 5 1 Atomic number of Aluminum P 13 N 14 12 Atomic number of hydrogen P 1 N 2 6 Valance electrons in carbon P 6 N 6 Match each of the options above to the items below Electrons in Neon P 10 N 10 3 7 Atomic Mass of Aluminum P 13 N 14 Atomic number of Zinc P 30 N 35 4 8 Atomic mass of Carbon P 6 N 6 Valance electrons in chlorine P 17 N 18

Drag each label to the correct location on the diagram Labels Drop Zones Hydrogen bond Oxygen atom An organic molecule Hydrogen atom E 11 I Reset All Image Description 8

Rough endoplasmic reticulum X Nucleus Chloroplast X Golgi apparatus Cell membrane X Mitochondrion X Central vacuole Cell wall Cytoplasm

Labels 1000 INTRODUCTION LABORATORY SIMULATION m Cell membrane Cell wall Central vacuole Chloroplast Cytoplasm Golgi apparatus Mitochondrion Nucleus Rough endoplasmic reticulum

The pedigree suggests that the mode of inheritance for an allele on chromosome 3 is I 2 3 18 2 6 autosomal recessive Y linked dominant autosomal dominant X linked recessive X linked dominant

Ferrets are an excellent model organism to study the influenza virus You are crossing a true breeding black ferret with a true breeding white ferret to produce an F generation of 12 individuals If the black color trait is dominant which of the following represents the expected phenotype of an F generation cross O 0 black ferrets 12 white ferrets 0 grey ferrets O4 black ferrets 4 white ferrets 4 grey ferrets O 6 black ferrets 3 white ferrets 3 grey ferrets O 0 black ferrets 0 white ferrets 12 grey ferrets 12 black ferrets 0 white ferrets 0 grey ferrets

Water cycle 1 Transpiration The evaporation of water from Carbon Cycle 2 Photosynthesis Plants 3 Respiration Animals and plants break down 4 Decomposition Bacteria and fungi break down Carbon Dioxide from the air to make to get and put it in the Nitrogen Cycle 5 Nitrogen fixing bacteria Take nitrogen from the 6 Nitrification Changing Nitrogen into a form plants and animals can 7 Assimilation Plants absorb Nitrogen from the 8 De nitrification Change Nitrogen in the 9 Which cycles are disrupted by people and how Water yes no How Carbon yes no How litrogen yes no How and release carbon dioxide and release carbon dioxide into a

Last updated 3 7 2023 Amylase is a protein involved in breaking down the starches Amylase is a protein involved in breaking down the starches in food Before it can be built genetic information in DNA must be transcribed into mRNA Where does this process take place A Endoplasmic reticulum OB Ribosome OC Nucleus D Golgi apparatus Amylase is a protein involved in breaking down the starches in food Before it can be built genetic information in DNA must be transcribed into mRNA Where does this process take place A Endoplasmic reticulum B Ribosome C Nucleus D Golgi apparatus

98 From the image above select all of the statements that are true Select all that apply O B will contain intracellular fluid O C is called the interstitial space A will contain intracellular fluid D is indicating fluid between cells fluid is able to move between all 3 spaces as needed the 3 spaces in the body that contain fluid are the intracellular interstitial and extracellular careful this may he tricky

Steven has hypertension and high cholesterol although both are well controlled on medication He has no signs symptoms of disease and has no diagnosed disease Steven was a previousl active tennis player playing for fun with friends twice each week and competing regularly a fev mes a year at a local senior tennis center However he states that he has not engaged in activity since he was in his early 60 s and began developing arthritis in his knees which made nim fearful of exercise He has knee pain occasionally and he believes that avoiding activity a avoring his knees will help his arthritis 4 Does Steven need medical clearance prior to beginning an exercise training program Why why not answer according to the acsm No CV Metabolic or Renal Disease AND No Signs or Symptoms Suggestive of CV Metabolic or Renal Disease Medical E Clearance Not Necessary Light to Moderate Intensity Exercise Recommended May Gradually Progress to Vigorous Intensity Exercise Following ACSM Guidelines No Known CV Metabolic or Renal Disease AND Asymptomatic Medical Clearance Recommended Following Medical Clearance Light to Moderate Intensity Exercise Recommended May Gradually Progress as Tolerated Following ACSM Guidelines Participates in Regular Exercise Any Signs or Symptoms Suggestive of CV Metabolic or Renal Disease Regardless of disease status Medical Clearance Recommended no Following Medical Clearance Light to Moderate Intensity Exercise Recommended May Gradually Progress as Tolerated Following ACSM Guidelines No CV Metabolic or Renal Disease AND No Signs or m Symptoms Suggestive of CV Metabolic or Renal Disease Medical 818 Clearance Not Necessary Continue Moderate or Vigorous Intensity Exercise May Gradually Progress Following ACSM Guidelines CN Yes Known CV Metabolic or Renal Disease AND Asymptomatic Medical for Clearance Moderate Intensity Exercise Not Necessary Medical Clearance within the last 12 months if no change in signs symptoms Recommended Before Engaging in Vigorous Intensity Exercise Continue with Moderate Intensity Exercise Following Medical Clearance May Gradually Progress as Tolerated Following ACSM Guidelines Any Signs of On Symptorns Suggestive of CV Metabolic or Renal Disease Regardless of disease status Discontinue Exercise and Seek Medical Clearance May Return to Exercise Following Medical Clearance Gradually Progress as Tolerated Following ACSM Guidelines FIGURE 2 Exercise preparticipation health screening logic model for aerobic exercise participation Exercise participation performing planned structured physical activity at least 30 min at moderate intensity on at least 3 dwk for at least the last 3 months Light intensity exercise 30 to 40 HRR or VO R 2 to 3 METS 9 11 RPE an intensity that causes slight increases in HR and breathing Moderate intensity exercise 40 to 60 HRR or VO R 3 to 6 METS 12 13 RPE an intensity that causes noticeable increases in HR and SPECIAL COMM

4 Important Terms The inside of a hollow organ is called the lumen Name three organs that have a lumen 1 Practice Looking at Tissues on HistologyGuide org GO TO HistologyGuide org Click on SEARCH Type in the name or number of the slide For example Esophagus or 109 2 3 1 2 Slides to View 3 Esophagus MH 109 is listed several times in the index different entries have different explanations Esophagus slide MH 109 Trachea slide MH136 Blood slide MH 033hr Mesentery slide MH 024

Steven is widowed and retired He has access to his local tennis center which has courts that are both indoor and outdoor He also has access to a walking trail a road bike and has hand weights at home 5 lbs 10 lbs and 15 lbs He attends a book club on Monday mornings meets his friends for coffee on Tuesday and Thursday mornings and watches his 3 year old grandson on Monday and Wednesday afternoons from 12 4 He wants to begin regular exercise again because he is struggling to keep up with his grandson and feels that he is slowing down He lives in a location where it is typically very hot and humid during the day and there is occasional rain in the afternoons 6 Develop an exercise prescription for Steven s first week

Match the type of skin cancer with the origin of the cancerous cells melanocytes keratinocytes of the stratum basale keratinocytes of the stratum spinosum 1 basal cell carcinoma 2 squamous cell carcinoma 3 malignant melanoma

A burn that goes completely through the epidermis but only partway through the dermis would be a burn O first degree second degree third degree

Which of the following statements is TRUE about BUFFER SOLUTIONS They maintain a constant pH when bases are added to them but not when acids are added to them They maintain a pH of exactly 7 in all living cells and biological fluids They maintain a relatively constant pH when either acids or bases are added to them They are found only in living systems and biological fluids

Propanol and isopropanol are isomers This means that they have O O the same molecular formula but different chemical structural arrangements and properties different molecular formulas but the same chemical properties the same molecular formula and the same chemical properties the same molecular formula but represent different states of the compound

Which of the following effects is produced by the high surface tension of water O O Lakes don t freeze solid in winter despite low temperatures Only a water strider insect can walk across the surface of a small pond Only a ball floating on water ball floating on water and insect walk on water on surface of the pond

A compound is defined as O A substance consisting of two or more different elements in a fixed ratio A substance that cannot be broken down to other substances anything that occupies space and has mass the smallest unit of matter that still retains the properties of an element

Four elements that make up about 96 of the weight of most living organisms are O Carbon Hydrogen Oxygen Iron O O Carbon Hydrogen Oxygen sodium Carbon Hydrogen Oxygen Nitrogen Carbon Nitrogen Oxygen sodium

In which of the following can you find hydrogen bonds DNA double helix only a NaCl molecule proteins only DNA and proteins

Radioactive isotopes only have harmful efects O True False

Which of the following statements is FALSE for the class of biological molecules known as lipids They are soluble in water They are an important constituent of cell membranes They contain more energy than proteins and carbohydrates They are not true polymers They contain fats and steroids

Which of the following is FALSE about proteins O A defensive protein is an antibody Contractile proteins are present in muscle A structural protein is used for support Starch is a storage protein

lodine phosphorous and magnesium are trace elements required by humans and other vertebrates True False

Solution with a pH of 7 is and pH of 10 is and pH of 2 is

Epidermal ridges are responsible for the shape of your O stretch marks O fingerprints Ohairline wrinkles

Which 2 layers of the epidermis contain mitotically active cells Select ALL a stratum spinosum b stratum basale c stratum granulosum d stratum corneum

After melanin is secreted it gets taken up by a nearby keratinocyte That melanin then covers the keratinocyte s nucleus and protects it from DNA damage due to O ultraviolet radiation O nuclear radiation O infrared waves microwaves

How fast does hair grow on average O1 to 1 5 cm per month O2 to 3 cm per month 3 to 5 cm per month 8 to 10 cm per month

Melanin is made from two molecules of which amino acid O alanine glycine threonine tyrosine

The deeper layer of the dermis is the layer O reticular O corpuscular O subcutaneous papillary

How long does it take an average keratinocyte to pass from the stratum basale to the top of the stratum corneum O less than a week 1 2 weeks 2 4 weeks O 6 7 weeks

Which layer of the epidermis is only found in thick skin O the stratum corneum the stratum lucidum the stratum granulosum the stratum spinosum the stratum basale

Your skin is of your body weight O 1 5 O 5 10 O 10 15 O 15 20