Base Pairing

What is the complimentary strand: AAGGAACGGTGATGTTATCA

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

Adenine bonds with ______________.

• Guanine

• Thymine

• Cytosine

• Adenine

Guanine bonds with ______________.

• Adenine

• Guanine

• Cytosine

• Thymine

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

What determines the code, or information, of a DNA molecule?

• the shape (structure) of the nitrogen bases

• the order (sequence) of the nitrogen bases

• the color of the nitrogen bases

• the frequency (number) of nitrogen bases

Tags

NGSS.HS-LS1-1

What is the complementary strand for the DNA sequence: GCTTAGC?

• CGAATCG

• CGAATGC

• CGTTAGC

• GCTTAGC

Which of the following base pairs is correct in DNA?

• A-C

• G-T

• A-T

• C-U

In a DNA double helix, which base does cytosine pair with?

• Adenine

• Guanine

• Thymine

• Cytosine

What is the role of hydrogen bonds in DNA base pairing?

• They provide structural support to the DNA backbone

• They connect the sugar and phosphate groups

• They hold the two DNA strands together

• They are involved in DNA replication