In the DNA ligase reaction, the lysine residue:
A. serves as the nucleophile displacing the phosphate group 3' to the nicked site.
B. serves as the electrophile displacing the phosphate group 3' to the nicked site.
C. remains phosphorylated after the ligase reaction.
D. serves as a nucleophile, which displaces the pyrophosphate from ATP.
E. remains bound to AMP, ready to repeat the reaction.
D
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The molecular formula for glucose is C6H12O6. What would be the molecular formula for a polymer made by linking ten glucose molecules together by dehydration reactions?
A) C60H120O60 B) C6H12O6 C) C60H102O51 D) C60H100O50 E) C60H111O51
Under conditions of resting membrane potential, the inside of the cell is ________________ charged with respect to the outside, and when an action potential is generated, the inside becomes ____________ with respect to the outside of the cell
A. negatively; more negative B. negatively; positive C. positively; negative D. positively; hyperpolarized
Describe the enzymatic digestion that takes place in each structure of the digestive tract
What will be an ideal response?
Resting zone
What will be an ideal response?