Genetics TOPIC 2 Review: DNA

What is the cell organelle in which you would find DNA?

• DNA is found on chromosomes in the nucleus
• DNA is found on chromosomes in the mitochondria
• DNA is found on ribosomes

Genes are made up of sections of DNA.

• True
• False

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NGSS.HS-LS3-1

What does the structure of DNA look like?

• A bundle of yarn
• A twisted figure 8
• A twisted ladder or spiral staircase

Which describes how the bases of DNA connect.

• A-T and C-G
• A-G and C-T

What alternates along the sides of the DNA?

• Nitrogen Bases
• Sugars and Phosphates
• Genes

What part of the DNA structure determines the code?

• Sugars
• nitrogen bases (ATCG)
• Phosphates

When the DNA code is changed, the meaning of the gene is changed. What are changes in genes called?

• acquisitions
• modifications
• mutations

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NGSS.HS-LS3-2

What is the scientific word for DNA

• Double Helix
• Double Ladder
• Single Helix

DNA must unzip in order to make a copy before the cell goes through mitosis.

• True
• False

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NGSS.HS-LS1-4

DNA contains the coded instructions for the cell to make proteins. DNA makes up the code in our genes to give us our traits.

• True
• False

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NGSS.HS-LS1-1

NGSS.HS-LS3-1