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DNA Structure and History

Authored by Alexis Prothero

Biology

10th Grade

NGSS covered

Used 79+ times

DNA Structure and History
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20 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the shape of DNA?

three nucleotides wind around each other and form a triple helix

two strands twisted called in a double helix

a single stranded spiral

a curve in three-dimensional space.

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Adenine always pairs with

Uracil

Guanine

Cytosine

Thymine

3.

MULTIPLE SELECT QUESTION

15 mins • 1 pt

The sides of the DNA ladder are (2 answers here!)

hydrogen

deoxyribose (sugar)

phosphate

purine

Tags

NGSS.HS-LS1-1

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Guanine always pairs with

Urical

Cytosine

Adenine

Thymine

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the complementary sequence:

C A T T A G

G T A C U G

G T A A T C

G T C C T A

T G C C G T

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

DNA is composed of repeating sub-units called

phosphate group

nucleotides

nitrogenous base

5-carbon sugar

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What are the 4 bases that make up the rungs of the DNA ladder?

adenine, guanine, thymine, cytosine

xanthine, cafeine, cytarabine, gemcitabine,

hypoxanthine, theobromine, fluorouracil, paclitaxel

adenine, guanine, cytosine, urical

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