Nucleotides

What is the sugar in DNA called?

• Deoxyribose

• Ribose

• Diglyceride

• Cellulose

Adenine pairs with...

• Thymine

• Cytosine

• Guanine

• It does not pair with any of them

In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of

• cytosine

• guanine

• thymine

• uracil

Guanine bonds with ______________.

• Adenine

• Guanine

• Cytosine

• Thymine

What will the matching sequence be on a strand that reads AAGCTAT?

• AACGATA

• TTCGTTA

• CCTGATA

• TTCGATA

What are the four nitrogen bases?

• adenine, thymine, guanine, cytosine

• adenine, lysine, prolene, guanine

• arganine, cytosine, lysine, purine

• lysine, cytosine, lucine, guanine

Which shows the correct complementary base pairing for DNA?

• C-A, T-G

• A-G, C-T

• C-G, U-A

• T-A, G-C

The two strands of nitrogenous bases in DNA are joined by which type of bond?

• polar bonds

• ionic bonds

• covalent bonds

• hydrogen bonds

Tags

NGSS.HS-LS1-1

Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG

• ATG TGA CAG

• TAC ACT GTC

• GTA AGT GAC

• CAT TCA CTG

Which 2 molecules form the sides (backbone) of the DNA ladder?

• deoxyribose sugar and adenine

• deoxyribose sugar and a hydrogen bond

• deoxyribose sugar and the nucleus

• deoxyribose sugar and phosphate