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MIP 616 Exam 1 Multiple Choice, Test 1, Study Exam Questions and Answers | 100% Pass $10.99   Add to cart

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MIP 616 Exam 1 Multiple Choice, Test 1, Study Exam Questions and Answers | 100% Pass

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MIP 616 Exam 1 Multiple Choice, Test 1, Study Exam Questions and Answers | 100% Pass Amino acid in polypeptides are covalently bound by what type of bond? a) Peptide b) protein c) ester d) phosphodiester - peptide An alpha helix is what kind of protein structure? a) secondary b) primary ...

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  • October 5, 2024
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MIP 616 Exam 1 Multiple Choice, Test 1,

Study Exam Questions and Answers |

100% Pass


Amino acid in polypeptides are covalently bound by what type of bond?

a) Peptide

b) protein

c) ester

d) phosphodiester - ✔✔peptide

An alpha helix is what kind of protein structure?

a) secondary

b) primary

c) tertiary

d) quaternary - ✔✔secondary

If you disrupt all hydrogen bonds in a protein, what level will preserved?

a) secondary

b) primary

c) tertiary

,d) quaternary - ✔✔primary

Monomeric proteins do not contain a...

a) secondary

b) primary

c) tertiary

d) quaternary - ✔✔quaternary

Which is not part of a zinc finger motif?

a) zinc ion

b) proline residue

c) cysteine residue

d) histidine residue - ✔✔proline residue

a small molecule that binds directly to the active site of an enzyme and

disrupts its catalytic reaction is called:

a) an allosteric inhibitor

b) a competitive inhibitor

c) a noncompetitive inhibitor

d) RNAi - ✔✔a competitive inhibitor

Which statement about enzymes is TRUE?

a) The catalytic site is responsible for substrate specificity.

,b) Reactions catalyzed by enzymes give the products more free energy

than reactions that occur spontaneously.

c) The rate of an enzymatic reaction is always proportional to the

concentration of the substrate

d) Enzymes increase reaction rates by lowering the activation energy

needed to reach the transition state? - ✔✔Enzymes increase reaction

rates by lowering the activation energy needed to reach the transition

state?

Which modification marks a protein for degradation in proteasomes?

a) Phosphorylation

b) Ubiquitinoylation

c) acetylation

d) glycosylation - ✔✔ubiquitinoylation

Kinases activates or inactivate many proteins by doing what to them?

a) methylate

b) phosphorylate

c) acetylate

d) digest - ✔✔phosphorylate

The conversation if inactive chymoptrypsinogen to active chymotryosin is

an example of?

, a) proteolytic activation

b) positive cooperativity

c) allostery

d) Ligand induced activation - ✔✔proteolytic activation

Which amino acid can be phosphorylated?

a) lysine

b) serine

c) glycine

d) proline - ✔✔serine

G proteins act as...

a) a catch

b) a branch

c) a switch

d) a notch - ✔✔a switch

what do g proteins do to their bound nucleotide triphosphate?

a) nebulize it

b) hydrolyze it

c) customize it

d) homogenize it - ✔✔hydrolyze it

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