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DNA Structure & Replication - Gen Bio

Authored by Erica Kenny

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9th - 12th Grade

Used 3+ times

DNA Structure & Replication - Gen Bio
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41 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In nucleotides, the letters A, G, C and T represent

phosphate groups
deoxyribose sugars
nitrogen bases
ribose sugar

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a nitrogen base pair, guanine always pairs with __.

adenine
cytosine
thymine
guanine

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a nitrogen base pair, thymine always pairs with __.

adenine
cytosine
thymine
guanine

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a nitrogen base pair, adenine always pairs with __.

adenine
cytosine
thymine
guanine

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a nitrogen base pair, cytosine always pairs with __.

adenine
cytosine
thymine
guanine

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The structure of DNA is referred to as a ___ because it is a twisted ladder.

Double-helix
Chromosome
Gene

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Use the diagram and your knowledge of biology to answer this question. Structures 3 and 4 are held together by?

weak hydrogen bonds
strong covalent bonds

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