QUIZ #2: DNA or RNA?

DNA stands for?

RNA stands for?

DNA and RNA both carry genetic information, but there are quite a few differences between them.

• True

• False

B-form double helix, double-stranded molecule consisting of a long chain of nucleotides.

• DNA

• RNA

A-form helix, usually a single-strand helix consisting of shorter chains of nucleotides.

• DNA

• RNA

Composition:

1. deoxyribose sugar

2. phosphate backbone

3. adenine, guanine, cytosine, thymine bases

• DNA

• RNA

Composition:

1. ribose sugar

2. phosphate backbone

3. adenine, guanine, cytosine, uracil bases

• DNA

• RNA

Self-replicating

• DNA

• RNA

Synthesized from DNA on an as-needed basis (if needed by the body)

• DNA

• RNA

AT (adenine-thymine)
GC (guanine-cytosine)

• DNA

• RNA