Cell Biology Questions and Answers

Please be clear and specific. Thank you :). Q15-16: A recent study published in the journal Current Biology by Strother and colleagues describes the life Differentiation in a Billion-year-old Protist ...

Please be clear and specific. Thank you :). Q13-14: The process by which yeast cells secrete mating factor for sexual reproduction and neurons release of neurotransmitter at nerve terminals in respons...

Please be clear and specific. Thank you :). Q10-12: Adrenaline (epinephrine) initiates the identical signaling cascade in the heart and in the liver; however, the downstream effects are unique to each...

Please be clear and specific. Thank you :). Q7-9: The hypothalamus in the brain of vertebrates regulates body temperature to ensure homeostasis and maintain body temperature at 37C. Changes in the tem...

Please be clear and specific. Thank you :). Q4-6: Gene F1 encodes a fibrous extracellular matrix protein present in the basal lamina in the glomeruli of the kidney. Mutations of this gene, which cause...

Q8. Two species of bats colonize an island at the same time. There are similar numbers of moths and beetles on the island, but no other bats. The only difference between the bat species is foraging ab...

catabolic metabolic pathways glycolysis endergonic exergonic reactions interpreting graphs biology cell biology organic chemistry. As we discussed in class, different biological models have advantages...

Which of the following is true regarding carbon fixation? Select one: a. ATP and NADH are created. b. Three carbon atoms from three CO 2 molecules will be fixed to one RuBP with each turn of t...

You are interested in finding out in which cellular compartment the protein called DsaT is found in a cancer cell line you have growing in the lab. You are NOT able to create a fusion protein of ...

Hi, I really need some help with these questions. I am struggling. This is being timed and I only have 1 hour left, so can someone help me ASAP please? Its only a few questions. Thank you! '. gestion ...

A DNA antisense strand contains the following nucleotide base sequence: ACG TTT ATG GGT From this, what is the nucleotide sequence of the mRNA strand that is transcribed? Select one: a. UGC AAA UAC CC...

When a ligand binds to a tyrosine kinase receptor, what happens? Select one: a. The RTK dimer disaggregates into monomers. b. The ligand is phosphorylated to down-regulate the response. c. Adaptor pro...

The Insulin response is very important for the proper functioning of our metabolism. Which of the following is true with respect to the activity of insulin and its cellular response(s)? a. The binding...

You have discovered a type of cancer cell where Mdm2 is highly overactive. Mdm2 adds ubiquitins to p53. How would this overactivity lead to the creation of cancer? Select one: a. A type of CKI (p21...

When a ligand binds to a tyrosine kinase receptor, what happens? Select one: a. The RTK dimer disaggregates into monomers. b. The ligand is phosphorylated to down-regulate the response. c. Adaptor pro...

You are studying an RTK signaling pathway that is activated by epidermal grown factor (EGF) and that activates the MAP kinase signaling module in epithelial cells. You inject these cells with a non-hy...

You are studying protein interactions in a cell and think that Protein A will bind to Protein B when stimulated by insulin. Design a FRET experiment that will prove or disprove your hypothesis. Be sur...

You are working with a new drug that blocks potassium leak channels in axons. a) What do you expect would happen if you treat neurons with this drug? b) Describe the molecular events affected, the...

An experiment was performed on isolation, cloning and transformation of plasmid DNA. The objective of this experiment was to successfully clone a kanamycin resistance gene into the multiple cloning si...