Biology Questions

Study this list Popularized long form movies Legitimized movies as an art form Innovative techniques Used as recruitment tool by Ku Klux Klan This list best describes O The Great Train Robbery O The Perils of Pauline O The Birth of a Nation

Extra credit an allergen is antigen taken into the antigen presenting cell inside a vesicle the same thing as an endogenous antigen O antigen that has gained access to the cytosol of the antigen presenting cell an antigen that can turn on B cells without T cell involvement eukaryotic antigens in general what you are allergic to

Study the following picture Using your knowledge and information from the lesson answer the question below Combating crowded living conditions can be categorized as which of the following goals of the Progressive Movement O Improving efficiency O Protecting social welfare A Promoting

Based on this photo and your own knowledge how did this 1889 ladies safety bicycle affect the popular fashion of the time O Women began wearing mini skirts O Women began wearing pants

Look at the following list Hospitals Parks Schools Transportation Systems What do all of these items have in common They are examples of places where whites and blacks were integrated in the They are examples of places where only whites were allowed to work in the 11 O They are examples of places where segregation existed

I separated whites and blacks in public and private facilities I was passed in Southern states and governments What am I O Segregation O Jim Crow Laws

How did Jim Crow Laws affect African Americans voting rights O These laws ensured black voting through accurate registration and election processes O These laws reduced black voting through violence fraud and intimidation These laws allowed freedmen to vote if they paid a tax poll

The events in the question 47 occur during T cell activation inflammation dendritic cell presenting antigen complement activation B cell activation

The events in the last question should result in the following OTh cell releases perforin and granzymes NOT cytokines OTh cell kills the cell with surface antibody OTh cell multiplies differentiates and gains the ability to function cell with surface antibody multiplies and differentiates it also produces and releases soluble antibodie

extra credit immune individuals limiting the spread of a microbe through a population is called O humoral immunity active immunity cell mediated immunity herd immunity passive immunity

What do activated B cells do at the site of infection what is the function of activated B cells at site of infection Release antibodies help to turn on both CD4 and CD8 T cells that arrived at the site of infection release cytokines and chemokines that act on other defence cells like macrophages and sustain inflammation kill infected cells by releasing perforin and granzymes release type 1 interferons do phagocytosis

Based on the Information that was presented in this lesson complete the following diagram African Americans Mexicans All had to fo Asians O All were hired by the Southern Pacific and Santa Fe Railroads because they accepted lower wages than whites O All faced segregation and discrimination in society

helped bring legal challenges to segregation and lobbied hard for African Americans full civi berties I considered racial discrimination a problem that could not be ignored I established what s now know as the NAACP Who am I Booker T Washington Ida B Wells

one reason that secondary memory responses are stronger than primary responses is because there are more cells that recognize and respond to the antigen microbe in a secondary response O True O False

Study this list Blacks cannot shake hands with whites Blacks must yield the sidewalk Blacks must take off their hats for whites These are examples of O Jim Crow laws O Southern customs

Bitter complaints have come in from countless places citing the provocative behavior of Jews a certain amount of conspiratorial planning was involved To prevent vigorous defensive action by the Aryan people we have no choice but to contain the problem through legislative measures Adolph Hitler Hitler s words were spoken before the Reichstag in Nuremberg before the Nazis adopted the Nuremberg Laws which was a set of laws that systemized anti Semitism These types of laws may be compared to in the United States O Dred Scott laws O the Fugitive Slave Act Jim Crow laws

Which type of cell activates turns on T cells basophils macrophages dendritic cells O neutrophils B cells

What happens when a Th cell activated CD4T cell that recognizes a hepatitis b virus antigen encounters a B cell that is displaying FLU virus antigens OTh cell turns on the B cell nothing happens Th does not interact with do anything to the B cell O B cell will start to release antibodies O Th cell destroys the B cell O B cell destroys the Th cell the B cell turns on the Th cell

Which of the following is not a function or role of inflammation prevent the spread of microbes and the agent causing tissue damage O promotes or causes fever O helps phagocytes and complement to reach the site infection O tissue repair destroys or eliminates microbes and the agent causing tissue damage

A system of agriculture in which African Americans and poor white farmers paid landowners a share of the crop they produced on the land in order to purchase seeds and supplies was called O Reconstruction O Sharecropping

What is the role of vaccination O make memory cells that protect you against future infection by a specific microbe strengthen the innate defenses to allow the innate and immune systems to work together make the primary response stronger causes primary response to occur more quickly

the class 2 pathway of antigen presentation is used for displaying antigen so B cells can bind it directing CTL activated CD8T cells to kill infected cells O displaying antigen so CD8 T cell can bind it displaying antigen so dendritic cells can bind it displaying antigen so CD4 T cell can bind it displaying components of microbes that live or replicate inside an infected cell i e in the cytosol used for displaying endogenous antigens

what is the role of IgG G class antibodies O all purpose antibody does nuetralization complement activation opsonization etc well O protects us during the early part of an infection O fighting off worms or other eukaryotic pathogens prevent microbes from infecting mucus membranes

binds to for each choice the item before the semicolon goes into the first space the item after the semicolon goes into the 2nd space a B cell that recognizes the spike protein of the AIDS virus HIV responds when its O BCR spike protein on the intact AIDS virus eg binds to AIDS virus directly O TCR portion epitope of the aids virus spike protein displayed by dendritic cell O BCR portion epitope of the aids virus spike displayed by a dendrtic cell O TCR portion epitope of the aids virus spike protein displayed by an infected cell O BCR the spike protein on intact covid 19 virus eg binds directly to the covid 19 virus

We can use antibodies to detect a specific microbe in a patient sample or to identify bacteria because of which property ability that antibodies have stimulate cells of innate defenses to release enzymes chemicals activate complement bind to a specific antigen or microbe do opsonization and agglutination do neutralization

Match the neurotransmitter with its description function in the brain controlling emotions the biological clock Two examples are Dopamine and Serotonin Substance P Endorphins and Enkephalins natural opiates these function as neurotransmitters only in CNS Some examples are Gamma amino butyric acid GABA Glutamate Glycine Aspartate excites neuromuscular junctions part of Choose Amino acids Acetylcholine Peptides Biogenic amines Choose Choose V Choose v

the following should occur when the immune system is re exposed to a microbe it encountered in the past the amount of antibodies decline very rapidly within 2 weeks after re exposure to microbe memory cells are not binding responding to microbe O CTL kills infected cells less efficiently O T cells and B cells should respond more quickly e g become activated more quickly OTh cells should release lower amounts of cytokines than during the primary response

A 1 C B 2 C C 5 C D 10 C Making Measurements Thermometer Consider the following thermometer and use it to answer the question calibration difference between2marked values ofspaces between markedvalues www www 30 20 Resources 10 upor

Match the following descriptions to the correct organelles or cell structures Options can be used once more than once or not at all Both protein and lipid synthesis occurs at this large organelle which also has other functions Highly acidic organelles that digest waste as well as molecules taken in by endocytosis Bud off from other organelles and carry materials between organelles and or the plasma membrane Cytoplasmic protein filaments that function in cell movement cell organization and cell Golgi apparatus Choose Choose Choose 4

What value would you put in the NUMERATOR of this 1 calibration A 1 C B 5 C C 10 C D 20 C Making Measurements Thermometer Consider the following thermometer and use it to answer the question calibration difference between 2marked values ofspaces between marked values 30 20 10 va

The dart thrower was throwing at the bullseye What is the BEST description of this attempt A accurate but not precise B precise and accurate C precise but not accurate D neither accurate nor precise WINMAU

In 2008 this person ran with the slogans of Hope and Change regarding the U S economy A Barack Obama B John McCain C Jill Stein

microbes that are found outside our cells e g in body fluids or extracellular space are attacked controlled by the following EXCEPT antibodies phagocytes CD8 T cells complement B cells

which antigen is mostly likely to be displayed by the class 1 pathway of antigen presentation O components of microbe that has entered the antigen presenting cell via a vesicle i e entered the cell via endocytosis bacterial exo toxin components of bacteria found in body fluids or extracellular space bacterial exo enzyme viral proteins made inside infected cell

arrange items 1 5 in the right sequence 1 C3 is cut 2 antibodies bind to microbe 3 C2 and C4 are cut 4 C1 binds to antibodies 5 Complement is turned ON 5 4 3 2 1 1 2 3 4 5 4 2 3 5 1 3 4 1 2 5 2 4 3 1 5

A COC CH CH CH CH CH B 0 H C OC CH CH CH CH CH H C C CH CH CH CH CH 0 Which of the above molecules is a polysaccharide OA OB OC OR C php D

An activated T cell such as Th and CTL responds when its TCR binds to antigen and its CD28 binds to B7 Antibodies bind to it O its BCR binds to antigen Oit binds to the stem Fc region of antibodies that are sticking to the microbe it recognizes

we can estimate the volum thermometer to of this A 0 1 C B 0 01 C 0 00 D 1 Making Measurements Consider the following thermomete and use it to answer the question calibration Thermometer difference between 2markedvalue ofspacesbetween marked value 30 20 10

antibodies are best described as protein spears and surface receptors used by B cells that bind to a specific antigen or microbe O another word for antibiotics surface receptors used by T cells to bind to antigen another word for cytokines O a surface receptor used by dedritic cells and macrophages to bind to the microbes they encounter

how do macrophages and dendritic cells respond when their TLR toll like receptors bind to microbes they encounter turn on complement shut off other aspects of host defenses gain the ability to recognize bind to and destroy a specific microbe or antigen release cytokines that signal alert other defense cells that the body has been infected

stopping antibiotics before your doctor says so O is OK because it prevents you from losing your normal flora ultimately increases the proportion percentage of antibiotic resistant bacteria in the population O is OK once you begin to feel well O reduces the spread of antibiotic resistance since this means you re NOT overusing antibiotics

able to get how many electoral votes 270 needed to win in the 2008 Presidential election A 65 B 165 C 265 D 365

which of the following does NOT describe an antibody immunoglobulin molecule is made by B cells the same B cell can make antibodies with different types of stems Fc regions the antibody molecule does NOT interact with components of the innate defences has two identical antigen binding sites binds to ONE specific antigen epitope microbe

How many American jobs were lost within months after the events of September 11 2001 A 50 000 jobs B 850 000 jobs C 1 700 000 jobs

HCOC CH CH CH CH CHI 0 A H COC CH CH CH CH CH B H C O C CH CH CH CH CH Which of the above is a triglyceride OA OB OC OD C D

worms and eukaryotic pathogens are mainly controlled by O phagocytosis only O Type 1 interferons O inflammation only cytotoxic T cells CTL O cytokines enzymes from Th T helper cells the humoral immune response ONLY O antibodies and cells of the innate defences

Here are four organic molecules Molecule A CH OH H H 0 H OH H H OH OH O Molecule B H H N C COO CH OH O CH OH OH Molecule D NH What type of molecule is it Select COOH CH Molecule C nucleotide fatty acid CH CH CH Based upon their structures which of these molecules would be the least soluble in water Select CH CH CH 1 CH CH CH CH CH CH CH I CH3 D

Drosophila sex determination involves the regulation of alternative RNA splicing by the sex lethal Sxl transformer tra doublesex dsx genes Match each effect on Drosophila sexual development with the gene deletion that would cause it Sxl deletion male specific splicing of tra yields male traits in females tra deletion Answer Bank dsx deletion absence of male determining regulatory protein yields female traits in males

B cell activation requires B cell binding to antigen displayed by class 1 pathway of antigen presentation O signals from CD8 T cells CTL only signals from CD4 T Th cells only B cell making physical contact with Dendritic cells B cell binding to antigen and signals from CD4 T Th cells

Which of the following statements about hydrolysis reactions is correct Water is produced as a result of a hydrolysis reaction Hydrolysis reactions are energetically favorable In cells enzymes are not used or required for hydrolysis reactions Hydrolysis reactions create covalent bonds between molecules to produce larger molecules All of these statements are correct