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BIO 353 (CELL BIOLOGY) Multiple Choice Exam Test 1 Q&A ARIZONA STATE UNIVERSITY
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BIO 353 (CELL BIOLOGY) Multiple Choice Exam Test 1 Q&A ARIZONA STATE UNIVERSITY
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BIO 353 (CELL BIOLOGY) Multiple ChoiceExam Test 1 Q&A ARIZONA STATE
UNIVERSITY
1. Which of the following statements is true about the nitrogenous base
adenine?
A) It is a purine base
B) It forms two hydrogen bonds with guanine
C) It forms two hydrogen bonds with cytosine
D) It is the nitrogenous base found in ATP
E) At least Two statements above are true
Verified Answer -E) At least Two statements above are true
2. This provides the necessary information to specify the 3D shape of a
protein:
A) the protein's interactions with other polypeptides
B) the protein's interactions with chaperones
C) the protein's amino acid sequence (How in vivo chaperones
are often required)
D) the protein's peptide bonds
Verified Answer -C) the protein's amino acid sequence (How in
vivo chaperones are often required)
3. The specific property/characteristic of each amino acid depends on
the chemical amino and carboxyl groups
A) True
B) False
Verified Answer -B) False
4. Any segment of a polypeptide chain that can fold independently into
a compact, stable structure is a protein domain.
, A) True
B) False
Verified Answer -A) True
5. The primary structure of a protein:
A) is simply the order of amino acids from one end of the protein
to another.
B) is the linear sequence of amino acids that are linked together
by peptide bond
C) is important for determining the secondary and tertiary
structure of a protein.
D) All of the above
Verified Answer -D) All of the above
6. Which of the following statements is false:
A) molecular chaperones often help to prevent incorrect molecular
interactions
B) molecular chaperones help proteins fold along the most
energetically favorable
C) Proteins cannot fold into the correct conformation without a
molecular chaperone (in vivo)
D) None of the above
Verified Answer -D) None of the above (Which means they are
all true)
7. Which of the following is not common of secondary structures:
A) a-helices
B) b-sheets
C) loops
D) hydrogen bonds
Verified Answer -C) loops
8. Covalent bond are important fo protein folding
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