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DNA Structure

Authored by Allison Odom

Science

9th - 10th Grade

Used 7+ times

DNA Structure
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12 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which of the following best describes a DNA molecule?

double helix
contains ribose
made of amino acids
contains Uracil

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which 2 molecules form the sides (backbone) of the DNA ladder?

deoxyribose sugar and adenine
deoxyribose sugar and a hydrogen bond
deoxyribose sugar and the nucleus
deoxyribose sugar and phosphate

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which 2 molecules form the sides (backbone) of the DNA ladder?

deoxyribose sugar and adenine
deoxyribose sugar and a hydrogen bond
deoxyribose sugar and the nucleus
deoxyribose sugar and phosphate

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Nitrogenous bases are joined by which type of bond?

polar bonds
ionic bonds
covalent bonds
hydrogen bonds

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does DNA stand for?

Deoxyribonucleic acid
Denitrogenous acid
Deribonucleic acid
Diribonucleic acid

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which two scientists are accredited with correctly deducing the double helix model of DNA and made the first 3D model?

Watson and Crick

Wilkins and Franklin

Wilkins and Crick

Watson and Franklin

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the three components of a nucleotide?

sugar, hydrogen, nitrogen base
sugar, oxygen, nitrogen base
sugar, phosphate, nitrogen base
sugar, phosphate, protein

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