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DNA Replication Review

Authored by Jane Claussen

Biology

9th - 12th Grade

NGSS covered

Used 10+ times

DNA Replication Review
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A nucleotide is made of three components: a phosphate group, deoxyribose sugar, and ________

nitrogenous base

deoxyribose sugar

phosphate group

Hydrogen Bond

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A nucleotide is made of three components: nitrogenous base, phosphate group, and ________

deoxyribose sugar

nitrogenous base

phosphate group

hydrogen bond

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A nucleotide is made of three components: nitrogenous base, deoxyribose sugar, and ________

phosphate group

nitrogenous base

deoxyribose sugar

hydrogen bond

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Two DNA molecules identical to each other, containing the same genetic code as the original DNA molecule, are produced through the process ___________

DNA replication

cell division

cell cycle

mitosis

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The diagram illustrates part of the process of DNA replication. What is occurring

at point A?

DNA helicase is unwinding a segment of DNA into two separate strands.

DNA polymerase is proofreading the new DNA strand

DNA helicases are exchanging sections, which will then be rejoined.

DNA polymerase is adding new nucleotides to the 3′ end of the RNA primase.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Using the diagram attached, identify the enzyme labeled as (a) that is signaled by primase to begin synthesizing the new DNA strand by adding DNA nucleotides.

Primase

DNA polymerase

Ligase

Helicase

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The first step of DNA replication begins with which of the following steps?

Unzipping DNA helix into 2 separate strands

Primase attaches RNA primers to DNA, starting point for DNA polymerase

​DNA polymerase builds new DNA strands by adding new nucleotides.

Second type of DNA polymerase scans DNA for any errors and fixes any found

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