Quiz about Molecular Biology Review

Question 1

How do cells obtain the energy and materials necessary for the work they do?

Accepted Answer

They take in nutrients.

Answer

They release nitrogen.

Answer

They move around in the body.

Answer

They produce oxygen and carbon dioxide.

Question 2

Which is the most associated with the building and repair of cells, organelles, and tissues?

Accepted Answer

protein

Answer

fiber

Answer

lipid

Answer

sugar

Question 3

Which molecule created by plants is broken down by the human body to provide energy for its life processes?

Accepted Answer

glucose

Answer

water

Answer

oxygen

Answer

carbon dioxide

Question 4

What are the products of cellular respiration?

Accepted Answer

carbon dioxide and water

Answer

oxygen and sugar

Answer

oxygen and water

Answer

carbon dioxide and sugar

Question 5

Which best describes the primary function of carbohydrates in an animal cell?

Accepted Answer

to provide cellular energy

Answer

to store cellular information

Answer

to store energy within the cell

Answer

to provide structure to the cell membrane

Question 6

During _______________, cells break down simple food molecules and release energy.

Accepted Answer

cellular respiration

Answer

photosynthesis

Answer

glycolysis

Answer

anaerobic respriation

Question 7

What are the products of cellular respiration?

Accepted Answer

carbon dioxide and water

Answer

oxygen and sugar

Answer

oxygen and water

Answer

carbon dioxide and sugar

Question 8

Which statement about cells and sugar is true?

Accepted Answer

Both animal cells and plant cells use sugar.

Answer

Animal cells use sugar, but plant cells do not.

Answer

Animal cells do not use sugar, but plant cells do.

Answer

Neither animal cells nor plant cells use sugar.

Question 9

One way humans store energy is by making the molecule glycogen. Clusters of which atoms are rearranged when the body digests plant sugars to make glycogen?

Accepted Answer

carbon, hydrogen, oxygen

Answer

hydrogen, nitrogen, carbon

Answer

oxygen, sulfur, carbon

Answer

nitrogen, carbon, sulfur

Question 10

What is the primary role of DNA in molecular biology?

Accepted Answer

To store genetic information

Answer

To catalyze chemical reactions

Answer

To transport molecules across the cell membrane

Answer

To provide structural support to cells

Question 11

Which of the following processes involves the synthesis of RNA from a DNA template?

Accepted Answer

Transcription

Answer

Translation

Answer

Replication

Answer

Mutation

Question 12

In molecular biology, what is the function of ribosomes?

Accepted Answer

To synthesize proteins

Answer

To replicate DNA

Answer

To degrade RNA

Answer

To transport lipids

Question 13

Which molecule acts as the energy currency of the cell in molecular biology?

Accepted Answer

ATP

Answer

DNA

Answer

RNA

Answer

Glucose

Question 14

What is the significance of the double helix structure of DNA?

Accepted Answer

It allows DNA to be easily replicated

Answer

It enables DNA to catalyze reactions

Answer

It provides DNA with the ability to transport molecules

Answer

It gives DNA the ability to store energy

Question 15

Which of the following best describes the central dogma of molecular biology?

Accepted Answer

DNA is transcribed into RNA, which is then translated into protein

Answer

DNA is translated into RNA, which is then transcribed into protein

Answer

RNA is transcribed into DNA, which is then translated into protein

Answer

Protein is transcribed into RNA, which is then translated into DNA

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