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Unit 7 Test 3-1-24

Authored by Barnabas Hawkinson

Biology

9th - 12th Grade

Used 4+ times

Unit 7 Test 3-1-24
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50 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Who is responsible for producing this image?

Francis Crick
James Watson
Rosalind Franklin
Watson and Crick

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What did Erwin Chargaff conclude from his experiments?

Nitrogen bases are held together by peptide bonds
A and T, C and G always occur in equal amounts
Proteins are the carriers of genetic information
C and G rarely occur in eukaryotic organisms

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What was Watson and Crick's main scientific accomplishment?

Building the first accurate model of DNA
Isolating strains of pneumonia causing bacteria
Determining base pairing rules
Discovering the process of genetic transformation

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

From his work with mice and pneumonia-causing bacteria, Frederick Griffith discovered what?

Replication
Transcription
Transformation
Translation

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which sugar is contained in DNA

Dextrose
Ribose
Deoxyribose
Glucose

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Which of the following best describes a DNA molecule?

double helix
contains ribose
made of amino acids
contains Uracil

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Nitrogenous bases are joined by which type of bond?

polar bonds
ionic bonds
covalent bonds
hydrogen bonds

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