UNIT 4.1 VOCABULARY QUIZ 23

Last Name

First Name

A phosphate group is a chemical group consisting of a phosphorus atom bonded to four oxygen atoms; bonds with a sugar to create the structural backbone of nucleic acids.

• True
• False

Antiparallel is the longest stage of the cell cycle where the cell grows, performs its normal functions, and prepares for division; consists of G1, S, and G2 phases

• True
• False

Process by which a copy of DNA is made by separating the two strands and building a complementary strand on each of the original strands is DNA Polymerase.

• True
• False

What enzyme is involved in DNA replication and joins individual nucleotides to produce a DNA molecule?

• Nitrogen base
• Nucleotide
• DNA polymerase
• DNA (deoxyribonucleic acid)

What is the nitrogen-containing compound in nucleic acids that is read as the genetic code; adenine, thymine, guanine, cytosine (A, T, G, C)?

• DNA polymerase
• Nitrogen base
• Base pair
• Interphase

A pair of complementary nitrogenous that form the rungs of a DNA molecule (A-T, C-G) is known as _______________?

• Base pair

• Complementary strand

• Hydrogen bond

• Nitrogen base

Scientists refer to the the opposite arrangement of the sugar-phosphate backbones in the strands of a DNA double-helix as _____________________?

• Cytokinesis
• Parallel
• Interphase
• Antiparallel