DNA/RNA intro

The term for the shape of DNA (twisted ladder shape) is...

• single corkscrew

• double corkscrew

• double helix

• single strand

Tags

SB2

Which of the following are correct according to Chargaff's rule?

• G-T

  A-C

• T-C

  G-A

• A-T

  G-C

Tags

SB2

What term describes the orientation of the opposing strands of DNA?

• supplementary

• antiparallel

• complementary

• parallel

Tags

SB2

What sugar makes up a portion of the RNA backbone?

• sucrose

• ribose

• deoxyribose

• maltose

Tags

SB2

Sort the nitrogen bases into purines and pyrimidines.

Groups:

(a) purines

,

(b) pyrimidines

• guanine

• uracil

• adenine

• cytosine

• thymine

Tags

SB2

Sort the descriptions to the correct nucleic acid.

Groups:

(a) DNA

,

(b) RNA

• can leave the nucleus

• double helix

• single strand

• found only in nucleus

• A-U

• A-T

Tags

SB2

What sugar is included in the structure of DNA?

• glucose

• ribose

• galactose

• deoxyribose

Tags

SB2

During which phase of the cell cycle is DNA replicated?

• synthesis

• metaphase

• anaphase

• cytokinesis

Tags

SB2