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Chapter 13 - DNA Test

Authored by Danielle Sica

Science

10th Grade

NGSS covered

Used 7+ times

Chapter 13 - DNA Test
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22 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Two scientists that discovered the shape of the DNA molecule were

Mendel and Chargaff
Watson and Crick
Griffith and Franklin
Turner and Hooch

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to Chargaff's rule:

adenine = cytosine
guanine = cytosine
thymine = guanine
cytosine = thymine

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which scientist made X-ray diffraction photos of DNA?

Chargaff
Watson
Franklin
Mendel

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A DNA molecule is ______________ stranded and is made of many smaller units called _____________.

double; nucleotides
single; nucleic acids
triple; nucleic acids
single; nucleotides

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The "backbone" of the DNA molecule "ladder" are composed of

nitrogenous base pairs
adenine and nitrogen bases
deoxyribose and adenines
phosphate groups and deoxyribose

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Based on Chargaff's rule, if the percentage of adenine found in a DNA molecule is 15%. What would the percentage of thymine in that DNA molecule be?

15%
25%
35%
85%

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Two strands of DNA are held together by

covalent bonds
ionic bonds
electric bonds
hydrogen bonds

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