Biology DNA Review

DNA stands for...

• Deoxyribose Acid

• Deoxynucleic Acid

• Deoxyribonucleic Acid

• Ribonucleic Acid

DNA is a long thin molecule made up of __________ with the sugar deoxyribose.

• Glycerol

• Polypeptide Chains

• Polysaccharides

• Nucleotides

What are the four different types of nucleotides that are found in DNA?

• Adenine (A)

• Cytosine (C)

• Thymine (T)

• Uracil (U)

• Guanine (G)

How can the hydrogen bonds that hold the nitrogen bases be described?

• Strong

• Weak

If a strand of DNA has 20% Adenine, what percentage does Cytosine is present?

• 30%

• 60%

• 20%

• 40%

If a strand of DNA has 26% Thymine, how much Guanine is present?

• 26%

• 24%

• 52%

• 48%

What is the letter X labeling?

• backbone

• rungs/ladder

• nucleotide

• nitrogen base

• phosphate

Tags

NGSS.HS-LS1-1

When pairing bases during replication thymine always pairs with_____________.

• Adenine

• Cytosine

• Guanine

• Uracil

The sugar found in a DNA molecule is called ______________.

• Deoxyribose

• Ribose

Tags

NGSS.HS-LS1-6

Which sequence of DNA bases would pair with the ones shown in the partial strand below?

• A

• B

• C

• D

Tags

NGSS.HS-LS3-1