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Amino Acids and Protein Structure

Authored by Mr. Brickshane Tucker

Chemistry

12th Grade

Used 3+ times

Amino Acids and Protein Structure
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is true about the alpha carbon in most amino acids found in proteins?

It is bonded to two identical groups.

It is not bonded to a hydrogen atom.

It is a chiral center.

It is only bonded to the amino and acid groups.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of reaction occurs when two amino acids join together?

Hydrolysis

Oxidation

Condensation

Reduction

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which level of protein structure refers to the order in which amino acids are joined together?

Secondary structure

Tertiary structure

Quaternary structure

Primary structure

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hydrogen bonds are a key stabilizing force in which level(s) of protein structure?

Primary structure only

Tertiary structure only

Secondary structure and quaternary structure

Primary and tertiary structure

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the effect of increasing substrate concentration on enzyme activity, assuming enzyme concentration is constant?

It always decreases enzyme activity.

It has no effect on enzyme activity.

It increases enzyme activity until the enzymes become saturated.

It causes the enzyme to denature.

6.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

Amino acids contain an amino group (-NH₃⁺) and a(n) _______ group (-COO⁻) bonded to a central alpha carbon.

7.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

There are _______ amino acids that are classified as essential because they must be obtained from our diet.

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