DNA and RNA

Uracil is a base in

• DNA only

• RNA only

A nucleotide

• a series of monomers that make up DNA

• consists of a 5-carbon sugar called deoxyribose

• a phosphate group

• a nitrogenous base

• all of the above

The backbone of a DNA chain is formed by

• the nitrogenous base

• the hydrogen bonds

• the sugar and the phosphate

• none of the above

The base adenine pairs with

• the base cytosine.

• the base thymine.

• the base guanine.

• none of the bases listed above.

For DNA, which bases would pair with CAGGCC?

• GUTTAA

• GTAAGG

• GTCCAA

• GTCCGG

The two scientists credited with building the "double helix" model of DNA are

• Franklin and Jefferson

• Green and Grier

• Watson and Crick

• Washington and Adams

RNA

• is a single strand.

• leaves the nucleus.

• contains four bases.

• all of the above.

Where is eukaryotic DNA found?

• the chloroplasts

• the cell wall

• the vacuole

• none of the above

In DNA, a complementary strand for the bases GTCACG is

• CAGTGC

• CAGTUC

• CAGTGC

The type of RNA that leaves the nucleus after DNA transcription is

• ribosomal RNA

• transfer RNA

• messenger RNA