Biology question and answers for April 12, 2024
- Q Which type of cell activates turns on T cells basophils macrophages dendritic cells O neutrophils B cells
- Q 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...
- Q 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...
- Q 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...
- Q 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...
- Q 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...
- Q 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...
- Q 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...
- Q 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...
- Q 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...
- Q 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...
- Q 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...
- Q 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...
- Q 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...
- Q 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...
- Q 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
- Q 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
- Q 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...
- Q 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...
- Q 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...
- Q 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...
- Q 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...
- Q 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...
- Q 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...
- Q 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...
- Q able to get how many electoral votes 270 needed to win in the 2008 Presidential election A 65 B 165 C 265 D 365
- Q 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...
- Q 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
- Q 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...
- Q 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...
- Q 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...
- Q 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...
- Q 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...
- Q 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...
- Q Which function of money is carried out when we use the U S dollar to compare the relative values of different goods and services A standard of deferred payment B...
- Q What is the calibration of this graduated cylinder A 1 mL B 2 mL mL calibration difference between 2 marked values of spaces between marked values C 5 mL 70...
- Q T and B cells are active functional ALL the TIME even when there is no infection nor exposure to microbe that or B cells recognize True False
- Q In an experiment studying the effect of music volume on plant growth where would height of the plant over time go in an IV C DV chart A Independent Variable...
- Q what is the function of CTL activated CD8T cells O release cytokines that help to activate CD4 T cells and B cells make release antibodies do phagocytosis O present antigen...
- Q which of the following is a role of the lymphatic system O brings microbes antigens into contact with T and B cells causes the symptoms and signs of inflammation such...
- Q An antibiotic can be used as a drug when people figure out a way to modify it so that bacteria cannot overcome them O when it is proven NOT to...
- Q Why was January 1 1867 so important in terms of voting for freed men OIt is the date that the Fifteenth Amendment was ratified It is the date that African...
- Q What major event during the first half of the 20th century changed the economic and social power of future Presidents and how they would lead A World War II B...
- Q The density data for a metal was collected in the table to the right The metal was thought to be aluminum which has a density 2 7 g cm3 Trial...
- Q Which of the following Presidents was responsible for future Presidents only being able to serve two terms A John F Kennedy B Franklin D Roosevelt C Richard Nixon
- Q O is defined as preventing microbes or toxins from attaching to our cells O is NOT done by complement is something that ANTI BIOTICS instead of anti bodies do to...
- Q All cells share some fundamental traits most likely inherited from our shared prokaryotic ancestor that existed around 3 5 billion years ago Which of the following is NOT a trait...
- Q passage By 1900 more than 30 000 black teachers had been trained and put to work in the South and the literacy rate had climbed to more than 50 percent...
- Q Which of the following statements is incorrect Both sugars and fats are used as energy sources for cells The activated carrier ATP is a nucleotide O Phospholipids can form lipid...
- Q What does the range of a dataset tell us A the central tendency of the values within a dataset B the value that appears most often in a dataset C...
- Q Why were schools mainly private in the 19th century O Public education was not mandatory O Funds were mainly directed to private schools Only rich people had access to it
- Q Which of the following securities is expected by its owners to pay interest A bonds B common stock O C preferred stock O D depository receipts
- Q Which of the following is NOT part of a scientific experiment A Read the whole procedure before starting B Wear PPE to avoid physical harm or hazards C Only post...
- Q what is the advantage of using broad spectrum antibiotics O they are also effective against diseases caused by viruses helps to maintain normal flora population ie affects disease causing bacteria...
- Q What is the purpose of an experiment A to test a hypothesis demonstrate a fact or make a discovery through a general procedure B to create new laws about the...
- Q Which of the following statements about mitochondria is false They are present in both plants and animals They most likely arose from ancient engulfed bacteria O They are endosymbiotes dependent...
- Q Carefully read the following quotation The city of Memphis has demonstrated that neither character nor standing avails th Negro if he dares to protect himself against the white man or...
- Q What is the calibration Erlenmyer calibration difference between 2 marked values of spaces between marked values A 10 mL B 25 mL C 50 mL of this flask D 125...
- Q shows how and when and why giraffes evolved from their Okapi like ancestor Get TMRCA data get genetic data genes analyzied
- Q Consider the following reaction Glucose 6 phosphate Fructose 6 Phosphate This essential step in glycolysis is energetically unfavorable under standard conditions Which of the following would make the actual AG...
- Q This is the strongest bond in an aqueous environment such as inside cells and is responsible for the formation of organic molecules Hydrogen bond O lonic bond Covalent bond van...
- Q What is the effect of an enzyme catalyzing a chemical reaction The enzyme is altered and can no longer catalyze reactions The enzyme alters the equilibrium constant K of the...
- Q The President of the United States cannot do which of the following on his own A Create a budget B Declare war C Send troops to another land D Veto...
- Q Please use the information in the passage to the left to help you answer the question 5 Which of the following would be considered the CONTROL group in this experiment...
- Q of the following would NOT be considered qualitative data A the heights of a plant B interview questions C observations of an animal in its habitat D recording the color...
- Q In what way has the role of the U president and impact on policy making changed the 20th century A The office has become more powerful B There has been...
- Q WHERE are T cells and B cells activated O in the lymph vessels O in the skin in lymphoid tissues organs such as lymph nodes at the site of infection
- Q What is an independent variable A the object being used in the experiment B the variable that is changed and being tested C the information that you record or observe...
- Q Amino donate a proton to water groups are weak acids That means they will Select a decrease an increase resulting i in the solution s pH
- Q What is a control A the group under normal conditions that is not experimental B the variable that is changed and being tested C the information being recorded or observed
- Q Which of the following is NOT true of W E B Du Bois O He helped bring legal challenges to segregation and lobbled hard for African Americans full liberties He...
- Q Which type of microscopy can be used to image intact cells while they are alive and functioning O Light microsopy Electron microscopy Both light and electron microscopy Neither light nor...
- Q Which of these is the dependent variable I felt sick so I skipped dinner A I felt sick B I skipped dinner C These are both independent variables
- Q Which of the following molecules has the most useful energy stored in its chemical bonds O ATP Adenosine trisphosphate O ADP Adenosine diphosphate AMP Adenosine monophosphate All three molecules have...
- Q Suppose both groups used the 6 same type of toothbrush throughout the experiment Where would same type of toothbrush go in an IV C DV chart A Independent Variable IV...
Get Answers to Unlimited Questions
Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!
Membership Benefits:
- Unlimited Question Access with detailed Answers
- Zin AI - 3 Million Words
- 10 Dall-E 3 Images
- 20 Plot Generations
- Conversation with Dialogue Memory
- No Ads, Ever!
- Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!