DNA Structure Base pairing

What are the proper complementary base-pairs?

• A--T and G--C

• G--T and A--C

• A--G and C--T

• A--C and T--G

T A G G A C T

• T A G G A C T

• A T C C T G A

• A T G G T G A

• T T C C A G T

Tags

NGSS.HS-LS1-1

If there is combined 60% for Cytosine and Guanine in a strand of DNA, what is the combined % for Adenine and Thymine in the same strand of DNA?

• 60

• 20

• 40

• 10

If there is 22% Cytosine, how much of all the other bases are there?

• 22% C, 22% G, 28% A, and 28%T

• 28% C, 28% G, 28% A, and 28%T

• 22% C, 28% G, 22% A, and 28%T

• 22% C, 22% G, 22% A, and 22%T

What is the first step of DNA Replication?

• DNA Helicase unwinds the DNA strands

• RNA polymerase adds nucleotides

• DNA polymerase adds nucleotides

• DNA Helicase zips up/closes up DNA

How many nucleotide bases are there?

• 1

• 2

• 6

• 4

What is the DNA compliment of this sequence?

AGGCGA

• TCCGCT

• AGGCGA

• TCCTTA

What is the DNA compliment of this sequence?

GCAATCA

• CGTTAGT

• CGAAATC

• CGTTTAG

What is the DNA compliment of this sequence?

TAATCGGCCA

• ATTAGCCGGT

• ATTCGACGCT

• TAATCGGCCA

What are the nucleotides made of?

• Phosphate, Adenine, nitrogen base

• Sugar, Phosphate, nitrogen base

• Thymine, Adenine, Cytomine

• Phosphate, Nitrogen, Adenine