DNA Structure, Replication, and History

Adenine (A) pairs with?

• Thymine (T)

• Cytosine (C)

• Guanine (G)

Cytosine (C) pairs with?

• Thymine (T)

• Adenine (A)

• Guanine (G)

A nucleotide is composed of what all components?

• Deoxyribose Sugar

• Glucose Sugar

• Phosphate Group

• Nitrogen Base

• Hydrogen Bonds

The back bone of DNA strands is made up of.....

• phosphate and sugar

• hydrogen bonds

• nucleotides

Tags

NGSS.HS-LS1-1

DNA strands align......

• antiparallel (opposite of each other)

• parallel (the same as each other)

DNA replication is the process of....

• making less DNA

• making more DNA

How many different types of nucleotides are there in DNA?

• 1

• 2

• 3

• 4

In a nucleotide what is the part that has variation and can be different?

• Sugar

• Phosphate

• Nitrogen Base

Which of the following is found in DNA?

• Adenine A

• Thymine T

• Cytosine C

• Guanine G

• Uracil U

Complementary to this sequence would be?

3' A T C C G 5'

• 5' G C C T A 3'

• 5' T A G G C 3'

• 3' T A G G C 5'

• 3' A T C C G 5'