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DNA Structure and Replication Quiz

Authored by Jim Plaggemeyer

Biology

10th Grade

9-12-LS1 covered

Used 16+ times

DNA Structure and Replication Quiz
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13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which nitrogenous base pairs with adenine in DNA?

Guanine

Thymine

Uracil

Cytosine

Tags

9-12-LS1.A-2

9-12-LS3.A-1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which nitrogenous base pairs with adenine in DNA?

Guanine

Thymine

Uracil

Cytosine

Tags

9-12-LS1.A-2

9-12-LS3.A-1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the sugar molecule in RNA?

Deoxyribose

Ribose

Glucose

Fructose

Tags

9-12-LS1.A-2

9-12-LS3.A-1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Who used x-ray diffraction to confirm the helical structure of DNA?

Francis Crick

Rosalind Franklin

Friedrich Miescher

James Watson

Tags

9-12-LS1.A-2

9-12-LS3.A-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many chromosomes are there in a human somatic cell?

46

92

64

23

Tags

9-12-LS1.A-2

9-12-LS3.A-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which enzyme is responsible for unwinding the double helix during DNA replication?

Helicase

RNA Primase

DNA Polymerase

DNA Ligase

Tags

9-12-LS1.A-2

9-12-LS3.A-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the function of DNA Ligase during DNA replication?

Unwinds the double helix

Joins the Okazaki fragments on the lagging strand

Replaces RNA primers with DNA nucleotides

Adds matching nucleotides to the new DNA strand

Tags

9-12-LS1.A-2

9-12-LS3.A-1

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