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In what phase of the cell cycle does DNA replication take place?

• G1
• S
• G2
• M

What is the correct order of replication?

• 3, 2, 1, 4

• 2, 1, 4, 3

• 2, 3, 1, 4

• 3, 4, 1, 2

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

• The number of hydrogen bonds that hold the strands of DNA together

• The number of carbons in the DNA molecule.

• The sequence of nucleotide bases in the DNA molecule

• The sequences of phosphates along each DNA strand

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

The initial steps in gene expression are modeled. Double-stranded DNA first unwinds into two strands. Which process and product are represented in the diagrams?

• Process: transcription; product: mRNA

• Process: translation; product: protein

• Process: replication; product: tRNA

• Process: recombination; product: polymerase

Tags

NGSS.HS-LS1-1

What makes up the rungs (steps) of a DNA ladder?

• sugars & phosphates

• nitrogen bases

• sugars

• genes & chromosomes

Tags

NGSS.HS-LS1-1

When going from DNA to mRNA, this process is called?

• Transcription

• Translation

• Replication

Tags

NGSS.HS-LS1-1