Unit 04.1 Vocab Quiz

DNA is copied by separating the two stands. A complementary strand is built on each of the original strands of DNA.

• Interphase
• DNA replication
• Cell cycle

When replicating DNA, the ____​ (a)   ___________ is the original strand used to make the new _____​ (b)   __________ strand of DNA. ​

• template strand
• complementary strand
• helicase
• protein

A polymer of nucleic acids is _​ (a)   . The monomer of nucleic acids is a ____​ (b)   ___________. ​

• DNA
• nucleotide
• nitrogen base

An enzyme involved in DNA replication that uncoils and unzips the original DNA molecule.

• DNA polymerase
• Helicase
• Deoxyribose sugar
• Phosphate group

An enzyme involved in DNA replication that joins individual nucleotides to produce a DNA molecule.

• DNA polymerase
• Helicase
• Deoxyribose sugar
• Phosphate group

A 5-carbon sugar found in DNA

• DNA polymerase
• Helicase
• Deoxyribose sugar
• Phosphate group

Sequence of events that result in cell growth and ultimately division into two genetically identical daughter cells

• Cell cycle
• Mitosis
• Cytokinesis
• Interphase

A pair of complementary nitrogen bases that form the ladder rungs in a DNA molecule (A-T, C-G)

• Nucleotide
• Antiparallel
• DNA
• Base pair

A type of weak chemical bond that connects nitrogen bases to form a base pair in a DNA molecule

• Base pair
• Nucleotide
• Hydrogen bond
• DNA polymerase

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

• Deoxyribose sugar
• Hydrogen bond
• Phosphate group (PO4)
• Nucleotide