DNA Review

Front

What is the percentage of DNA for the missing nitrogenous bases if the given percentages for A and T are 18% and 32% respectively?

Back

C = 25%, G = 25%

Front

Which of the following is the correct complementary DNA strand for the segment shown? Options: 5' AGGTCAGGT 3', 5' TGGACTGGA 3', 5' TCCAGTCCA 3'

Back

5' TCCAGTCCA 3'

Front

The sequence of nitrogenous bases in DNA is most important for which of the following? Providing the instructions for the traits of an organism, Preventing mutations from occurring during DNA replication, Helping form the sugar-phosphate backbone of DNA molecules

Back

Providing the instructions for the traits of an organism

Front

A model of DNA is shown. Select which part of the DNA model makes up a nucleotide.

Back

Phosphate group, sugar, and nitrogenous base

Front

A model of DNA is shown. Which part of the DNA model makes up the backbone of the DNA molecule?

Back

Phosphate group and sugar

Front

Select which part of the DNA model is most directly associated with the coding of genetic information.

Back

Nitrogenous bases

Front

Which part of a DNA molecule is responsible for the direct coding of specific traits in an organism?

Back

The sequence of the nucleotide bases in the DNA molecule

Front

A segment of DNA is shown in the diagram. Which of these identifies the part of the DNA segment labeled X? Options: Nucleotide, Hydrogen bond, Deoxyribose, Phosphate group

Back

Hydrogen bond

Front

Molecules of DNA are composed of long chains of

Back

Nucleotides

Front

In eukaryotes, DNA

Back

is located in the nucleus.