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BioChem C785 - WGU - Module 2 - all questions and answers latest 2021
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BioChem C785 - WGU - Module 2 - all questions and answers latest 2021
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BioChem C785 - WGU - Module 2 - all questions and answers1. Deedra's dad has Alzheimer's Disease (AD) which is caused by a
change in protein structure: Answer- True
2. Alzheimer's disease is caused by aggregation of the Amyloid beta
peptide and tangle formation by the tau protein. What kinds of amino acids
are likely to drive the formation of these protein aggregates?: Answer-
hydrophobic
3. After learning about Alzheimer's disease and one of the drugs used in its
treatment, what other drug design strategies could you use to offer
treatment for AD?: Answer- 1. Drugs that break up the amyloid plaques
2. Drugs that block the production of amyloid beta peptide
3. drugs that inhibits the aggregation of protein structures
4. A substrate binds to an enzyme at a specific site is referred to as:
Answer- an active site
5. You are in charge of designing a drug that inhibits the activity of a
specific enzyme. An important criteria for the drug selection is to ensure
that the drug is directly in competition with the original substrate when
binding to the active site of the enzyme. What inhibitor would be an ideal
choice?: Answer- A competitive inhibitor
6. These factors can affect the protein folding and activity of an enzyme::
Answer- 1. pH
2. Heat
1/3
, 3. Reducing agents
7. One way a cell can avoid overproduction of a molecule is by using a
particular type of inhibition in which the molecule itself acts as an inhibitor
for an enzyme in its production pathway. This type of regulation is known
as feedback inhibition: True
8. What type of enzyme adds a phosphate to another molecule?: Kinase
9. What are possible effects that phosphorylation/dephosphorylation can
have on the activity of an enzyme?: 1. turn the enzyme on
2. turn the enzyme off
10.In the enzymatic cycle, the enzyme shape is changed when substrate
binds and resumes its original shape when product is released after
sub- strate is converted to product.: True
11.An enzyme increases the rate of a chemical reaction by:: decreasing
the activation energy
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