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Question 14 (2 points): Which of the following is NOT true about the Watson-Crick model of DNA structure (also called B-form DNA): A. The base-pairing occurs on the inside of the double helix. B. The two DNA strands have identical sequences of nucleotides. C. The double helix is right-handed. D. The sugar-phosphate backbone is located on the outside of the double helix. E. The two DNA strands run antiparallel in opposite directions. Question 15 (2 points): Which of the following are possible base compositions for a single-stranded RNA? %A %G %C %T %U A. 35 35 15 0 15 B. 10 40 40 0 10 C. 35 10 30 0 25 D. None of the above E. All of the above Question 16 (4 points): Refer to the lipid structure above to answer the following questions: A. Is this a phospholipid, a triacylglycerol, or a sphingolipid? (1 point) Answer: _____; B. Which of the fatty acid (A, or B) would be classified as polyunsaturated? Enter all that apply. (1 point) Answer: _; C. Use proper notation (standard nomenclature) to indicate the chain length, number of double bonds, and positions of double bonds in fatty acid B. (1 point) Answer: _______; D. On the molecule above circle the charged head group. (1 point)

          Question 14 (2 points):
Which of the following is NOT true about the Watson-Crick model of DNA structure (also
called B-form DNA):
A. The base-pairing occurs on the inside of the double helix.
B. The two DNA strands have identical sequences of nucleotides.
C. The double helix is right-handed.
D. The sugar-phosphate backbone is located on the outside of the double helix.
E. The two DNA strands run antiparallel in opposite directions.

Question 15 (2 points):
Which of the following are possible base compositions for a single-stranded RNA?
%A %G %C %T %U
A. 35 35 15 0 15
B. 10 40 40 0 10
C. 35 10 30 0 25
D. None of the above
E. All of the above

Question 16 (4 points):
Refer to the lipid structure above to answer the following questions:
A. Is this a phospholipid, a triacylglycerol, or a sphingolipid? (1 point) Answer: ___________;
B. Which of the fatty acid (A, or B) would be classified as polyunsaturated? Enter all that apply.
(1 point) Answer: ___________;
C. Use proper notation (standard nomenclature) to indicate the chain length, number of double
bonds, and positions of double bonds in fatty acid B. (1 point) Answer: ___________;
D. On the molecule above circle the charged head group. (1 point)

Question 14 (2 points):
Which of the following is NOT true about the Watson-Crick model of DNA structure (also
called B-form DNA):
A. The base-pairing occurs on the inside of the double helix.
B. The two DNA strands have identical sequences of nucleotides.
C. The double helix is right-handed.
D. The sugar-phosphate backbone is located on the outside of the double helix.
E. The two DNA strands run antiparallel in opposite directions.

Question 15 (2 points):
Which of the following are possible base compositions for a single-stranded RNA?
%A %G %C %T %U
A. 35 35 15 0 15
B. 10 40 40 0 10
C. 35 10 30 0 25
D. None of the above
E. All of the above

Question 16 (4 points):
Refer to the lipid structure above to answer the following questions:
A. Is this a phospholipid, a triacylglycerol, or a sphingolipid? (1 point) Answer: ;
B. Which of the fatty acid (A, or B) would be classified as polyunsaturated? Enter all that apply.
(1 point) Answer: ;
C. Use proper notation (standard nomenclature) to indicate the chain length, number of double
bonds, and positions of double bonds in fatty acid B. (1 point) Answer: ;
D. On the molecule above circle the charged head group. (1 point)

Added by Austin P.

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