STAAR Review Quizziz 3

What is the first phase of the cell cycle?

• G1 phase

• S phase

• G2 phase

• M phase

Semiconservative replication is a process in which:

• each of the two daughter DNA molecules contains one original strand and one new strand

• both strands of the daughter DNA molecules are new

• both strands of the daughter DNA molecules are original

• the DNA molecule is replicated without any changes

What happens during the S phase?

• DNA replication occurs

• Cell division takes place

• The cell grows in size

• Proteins are synthesized

Tags

NGSS.HS-LS1-4

What happens during cytokinesis?

• The cell grows in size

• The cell divides its cytoplasm

• The cell replicates its DNA

• The cell undergoes apoptosis

Tags

NGSS.HS-LS1-4

The phase characterized by the condensing of chromosomes is:

• Prophase

• Metaphase

• Anaphase

• Telophase

Tags

NGSS.HS-LS1-4

Where does DNA replication occur?

• In the cytoplasm

• In the nucleus

• In the mitochondria

• In the ribosome

The enzyme responsible for unwinding the DNA double helix is:

• DNA polymerase

• Helicase

• Ligase

• Topoisomerase

What is the first step of protein synthesis?

• Transcription

• Translation

• Replication

• Elongation

The function of messenger RNA (mRNA) is to:

• carry genetic information from DNA to the ribosome

• synthesize proteins directly

• replicate DNA

• transport amino acids to the ribosome

The purpose of a start codon in mRNA is to:

• initiate translation by signaling the ribosome to start protein synthesis

• terminate translation by signaling the ribosome to stop protein synthesis

• bind to tRNA to form a peptide bond

• replicate mRNA strands