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Question 17N.1.SL.TZ0.10

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Date November 2017 Marks available [Maximum mark: 1] Reference code 17N.1.SL.TZ0.10
Level SL Paper 1 Time zone TZ0
Command term Identify Question number 10 Adapted from N/A
10.
[Maximum mark: 1]
17N.1.SL.TZ0.10

For which discovery about DNA do Watson and Crick receive credit?

A. DNA is the molecule that genes are made of.

B. The amount of adenine equals the amount of thymine in an organism.

C. Phosphate–pentose bonding along the nucleotide backbone is covalent.

D. The shape of DNA is a double helix.

[1]

Markscheme

D

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