Electrophoresis Quiz

Electrophoresis Quiz

12th Grade

15 Qs

quiz-placeholder

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Electrophoresis Quiz

Electrophoresis Quiz

Assessment

Quiz

Biology

12th Grade

Easy

Created by

Noel Tiver

Used 4+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the main purpose of gel electrophoresis?

To increase the size of DNA fragments

To observe the color of DNA fragments

To separate DNA fragments based on size

To duplicate DNA fragments

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following factors does NOT affect the electrophoretic mobility of DNA fragments? (NIC)

The length of the DNA fragment

The agarose concentration in the gel

The color of the DNA stain

The voltage applied during electrophoresis

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In gel electrophoresis, what causes DNA fragments to move through the gel?

Gravity

Magnetic field

Electric field

Thermal energy

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the role of the buffer solution in gel electrophoresis? (NIC)

To make the DNA fragments visible

To provide nutrients to the DNA fragments

To maintain a stable pH

To decrease the temperature of the gel

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the principle behind the separation of DNA fragments in gel electrophoresis?

Larger fragments move faster than smaller ones

Smaller fragments move faster than larger ones

All fragments move at the same speed

Fragments do not move

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How does the charge of DNA fragments affect their movement in gel electrophoresis?

Positively charged fragments move towards the cathode (-)

Negatively charged fragments move towards the anode (+)

Positively charged fragments move towards the anode (+)

DNA fragments are not charged

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the purpose of using a ladder or marker in gel electrophoresis?

To increase the voltage of the electric field

To serve as a reference for estimating the size of DNA fragments

To color the DNA fragments

To stabilize the gel

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