AAMC Exam 2 Biological and Biochemical Foundations || All Correct.
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Course
AAMC 2 Biological and Biochemical Foundations
Institution
AAMC 2 Biological And Biochemical Foundations
lysosome correct answers A large carbohydrate = tagged w/ a fluorescent marker and placed in the extracellular environment around a macrophage. The macrophage ingests the carbohydrate via phagocytosis. Which cellular structure is most likely to be fluorescently labeled upon viewing w/ a light micro...
AAMC Exam 2 Biological and Biochemical Foundations ||
All Correct.
lysosome correct answers A large carbohydrate = tagged w/ a fluorescent marker and placed in
the extracellular environment around a macrophage. The macrophage ingests the carbohydrate
via phagocytosis. Which cellular structure is most likely to be fluorescently labeled upon
viewing w/ a light microscope soon after phagocytosis?
allosteric regulation and feedback inhibition correct answers inhibition of phosphofructokinase-1
by ATP is an example of:
ATP correct answers end pdt of glycolysis, downregulates through feedback inhibition the
activity of PFK-1 by binding to a regulatory site other than the active site of the enzyme
(allosteric regulation)
active transport correct answers moves chlorine ions (Cl-) into a cell. Helps maintain a high
concentration of Cl- inside the cell.
blockage of voltage-gated potassium ions correct answers prolongs the action potential d/t failure
of the membrane to repolarize. Leads to excessive muscle contractions
gastrointestinal epithelial cells correct answers are highly proliferative
phosphodiester bond correct answers links the 3' carbon atom of one deoxyribose to the 5' carbon
atom of another deoxyribose w/n DNA molecules
rejoins newly synthesized strands to remainder of the DNA strand
favors product formation correct answers if H+ = a reactant and you increase the concentration
of H+ @ a low pH
glycolytic flux is increased correct answers when mitochondrial ATP production is decreased;
this would be the major pathway for ATP production once the ETC = shut down
transcription factors correct answers found in the nucleus
ubiquitination correct answers targets a protein for degradation by a proteasome
alpha helical domains correct answers = transmembrane domains, thus they cross the
phospholipid bilayer. As a result, these domains are most likely to have a high proportion of
hydrophobic residues (meaning they are nonpolar)
increased fluorescence in a protein correct answers results in a conformational change that
exposes hydrophobic residues on its surface
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