Biology question and answers for January 12, 2024
- Q Which of the following characterswas most affected by theprincess possessing the secret ofwhat was behind the doors?A. The kingB. The loverC. The people in the arena
- Q The result of a transduced cell signal will resultin [?] response.A a GolgiapparatusfacilitatedB an energy-specifictype ofC a myriad ofcellularactivities asa
- Q Which is not a basic function of a cell?A. Obtaining and storing energyB. Removing waste from the cellC. Stopping homeostasis from happeningD. Transferring genetic information
- Q Enzyme denotes the exact conformational match an enzyme and its substrate must have to interact. A. alpha pleatB. specificityC. specific activityD. activation energy
- Q Some eukaryotic organelles' membranes don't match the DNA of the plasma membrane, suggesting they were engulfed. A. unintentionallyB. intentionallyC. neverD. randomly
- Q The fluidity of the cell membrane is maintained byA. the absence of double bonds in the bilayer.B. the presence of double bonds in the bilayer.C. the non-polarity of the bilayer.D....
- Q A purified centrosome is mixed with purified tubulin subunits and GTP in an artificial membrane-bound container. A coordinate system is formed. What will be required to maintain this coordinate system?...
- Q Identify the dependent variable in the following experiment: A scientist grew bacteria on gel in her lab. She wanted to find out if the bacteria would grow faster on gel...
- Q A group of plant cells was exposed to radiation, which damaged the chloroplasts and caused them to lose function. If the mitochondria were unharmed, what would happen to the overall...
- Q Which cell structures are seen in all cell types?Check all that apply.DNAcytoplasmnucleusribosomescell membrane
- Q A student wonders whether removing the nucleus from a cell would result in a new prokaryotic cell. Why would this procedure fail to produce a prokaryotic cell?The cell would lack...
- Q In which of the following is there NO use of long distance cell signaling?A. endocrine systemB. immune system cellsC. circulatory systemD. gap junction connected cells
- Q Maurice plans to become a professional wrestler and wants to build his strength. Which is the best strategy for Maurice?A. eating food rich in protein and saturated fat to increase...
- Q When would you use a vesicle model for studying cell degeneration?a) In experiments where the cell cycle needs to be testedb) The use of vesicles is always recommendedc) In experiments...
- Q Hector is back from his morning run and is feeling lightheaded because his energy is depleted. Which food item will provide him with a quick source of carbohydrates?A. fruit juiceB....
- Q What is the term used to describe the clustering and aggregation of B-cell receptors leading to signal transduction from the receptor complex to the inside of the cell?A) germinal centeringB)...
- Q List the three different types of cells found in most multicellular organisms (based on their ability to divide and differentiate). Are some types more important than others? please explain your...
- Q Cellular resistance to insulin is critically important in the development of Type 2 Diabetes Mellitus. How does insulin resistance affect insulin production in the short-term (1 point)? In order to...
- Q What is meant by the focal length of a camera sensing system and (1) how would this be important for sensors at various altitudes (give example calculations) and (2) give...
- Q How does the lagging strand differ during DNA replication? (Multiple choice, it's one of 4 options)1) The lagging strand is synthesised towards the replication fork.2) The DNA synthesis reaction goes...
- Q Anster the following questions1. What bases are found in RNA?2. What bases are found in DNA?3. Which strand is the messenger RNA complementary to?4. Which strand is the messenger RNA...
- Q Aquaporins require cellular energy to function.TrueFalse
- Q Why do ions have difficulty moving through the cellular membrane?a) They are too large and therefore are repelled by the exterior of the phospholipid bilayer..b) They are too small and...
- Q Put the steps of the energy investment phase of glycolysis in order.Dihydroxyacetone phosphate is also tumed into glyceraldehyde-3-phosphatePhosphofructokinase further reduces our molecule, making it fructose-1,6-bisphosphate. Isomerase converts glucose-6-phosphate to fructose-6-phosphate.Hexokinase...
- Q Which of the following methods cannot be used to identify an animal virus?Use of specific anti-viral antibodiesDetection of patient antibodies against the virusPlaque formationCytopathic effectsElectron microscope
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