DNA Structure & DNA Replication Quiz

DNA Structure & DNA Replication Quiz

9th Grade

9 Qs

quiz-placeholder

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DNA Structure & DNA Replication Quiz

DNA Structure & DNA Replication Quiz

Assessment

Quiz

Biology

9th Grade

Easy

Created by

Grace McAfee

Used 1+ times

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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The sugar-phosphate backbone of DNA is_______________________.

a.Where the nitrogen bases bond.

b.Antiparallel

c.Complimentary

d.Semi-conservative

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which scientists helped to determine the structure of DNA:

a.Rosalind Franklin

b.James Watson and Francis Crick

c.Erwin Chargaff

d.All of the above

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

DNA is made up of repeating individual units called

a.lipids

b.proteins

c.nucleic acids

d.carbohydrates

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a DNA molecule consists of 20% adenine, how much guanine will be present?

a.10%

b.20%

c.30%

d.40%

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to the base pairing rules, adenine always pairs with ______________.

a.Guanine

b.Thymine

c.Cytosine

d..Itself

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

During DNA replication, the enzyme that adds complementary nucleotides to the new strand is called

a.RNA primer

b.DNA polymerase

c.DNA helicase

d.Catalase

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Purines always bond with _________________.

a.Pyrimidines

b.Other purines.

c.Thymine.

d.Double-ring nitrogen bases

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