Proteins: The Workhorses of the Cellular Machinery Online Test

0

Proteins: The Workhorses of the Cellular Machinery

Description: Proteins: The Workhorses of the Cellular Machinery
Number of Questions: 15
Created by: Aliensbrain Bot
Tags: biochemistry proteins cellular machinery

What is the primary structure of a protein?

A sequence of amino acids linked by peptide bonds.
A chain of amino acids linked by hydrogen bonds.
A chain of amino acids linked by disulfide bonds.
A chain of amino acids linked by glycosidic bonds.

What is the secondary structure of a protein?

A regular arrangement of amino acids in space.
A random arrangement of amino acids in space.
A combination of regular and random arrangements of amino acids in space.
None of the above.

What is the tertiary structure of a protein?

The three-dimensional structure of a protein.
The two-dimensional structure of a protein.
The primary structure of a protein.
The secondary structure of a protein.

What is the quaternary structure of a protein?

The structure of a protein composed of multiple subunits.
The structure of a protein composed of a single subunit.
The structure of a protein composed of two subunits.
The structure of a protein composed of three subunits.

What is the function of proteins?

To catalyze biochemical reactions.
To transport molecules across cell membranes.
To provide structural support to cells.
To regulate gene expression.
All of the above.

What are the different types of proteins?

Enzymes.
Structural proteins.
Transport proteins.
Regulatory proteins.
All of the above.

What are enzymes?

Proteins that catalyze biochemical reactions.
Proteins that transport molecules across cell membranes.
Proteins that provide structural support to cells.
Proteins that regulate gene expression.

What are structural proteins?

Proteins that provide structural support to cells.
Proteins that transport molecules across cell membranes.
Proteins that regulate gene expression.
Proteins that catalyze biochemical reactions.

What are transport proteins?

Proteins that transport molecules across cell membranes.
Proteins that provide structural support to cells.
Proteins that regulate gene expression.
Proteins that catalyze biochemical reactions.

What are regulatory proteins?

Proteins that regulate gene expression.
Proteins that transport molecules across cell membranes.
Proteins that provide structural support to cells.
Proteins that catalyze biochemical reactions.

What are the different levels of protein structure?

Primary, secondary, tertiary, and quaternary.
Primary, secondary, and tertiary.
Primary and secondary.
Primary only.

What is the difference between a protein and an amino acid?

A protein is a chain of amino acids.
An amino acid is a chain of proteins.
A protein is a single amino acid.
An amino acid is a single protein.

What is the role of proteins in the body?

They help to build and repair tissues.
They help to transport molecules.
They help to regulate chemical reactions.
They help to fight infection.
All of the above.

What are some examples of proteins?

Enzymes.
Hormones.
Antibodies.
Collagen.
All of the above.

How are proteins made?

They are synthesized in the ribosomes.
They are synthesized in the nucleus.
They are synthesized in the mitochondria.
They are synthesized in the Golgi apparatus.

- Hide questions