Biol-159 Final Exam Study Guide -With 100% Verified Solutions-2024

Which answer correctly identifies a cell-cycle checkpoint with a criterion for passing it? G2 checkpoint: Chromosomes have replicated successfully. S checkpoint: DNA is undamaged. Metaphase checkpoint: DNA is undamaged. G1 checkpoint: Chromosomes have replicated successfully. {Ans: G2 checkpoint: chromosomes have replicated successfully.}Immediately after Glucose enters the cell it is phosphorylated by the enzyme __________, which adds a phophate from ATP to Glucose to produce Glucose -6- phosphate and ______________. Enter the name of the enzyme followed by the second product separated with a comma. For example if the enzyme were catalase and the second product was FAD you would enter: catalase, FAD {Ans: hexokinase, ADP}Suppose an experimenter becomes proficient with a technique that allows her to move DNA sequences within a prokaryotic genome. If she moves the repressor gene (lacI), along with its promoter, to a position at some several thousand base pairs away from its normal position, we would expect the _____. repressor will no longer bind to the operator repressor will no longer bind to the inducer lac operon will function normally lac operon will be expressed continuously {Ans: lac operon will function normally}Explain in utmost detail how the regulation of phosphofructokinase enables the cell