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Biomedical Importance of Proteins

Total questions: 12

Worksheet time: 6mins

Name
Class
Date
1.

What are the functions of proteins in the human body?

a)

Proteins play a crucial role in building and repairing tissues.

b)

Proteins are mainly responsible for energy storage.

c)

Proteins are involved in the transport of oxygen in the blood.

2.

Define amino acids and its classification.

a)
Amino acids are classified into carbohydrates, proteins, and lipids.
b)
Amino acids are classified into essential, non-essential, and conditional amino acids.
c)
Amino acids are classified into primary, secondary, and tertiary types.
d)
Amino acids are only found in animal sources and not in plants.
3.

What are the essential functions of amino acids in the human body?

a)

Amino acids play a crucial role in muscle repair and growth.

b)

Amino acids are solely responsible for energy production in the body.

c)

Amino acids are not involved in any metabolic processes.

4.

What are the main types of proteins based on their structure?

a)

Proteins can be categorized into structural, transport, and storage proteins.

b)

Proteins are classified into simple and complex proteins.

c)

Proteins can be divided into enzymes and hormones.

5.

Describe the role of ribosomes in protein synthesis.

a)

Ribosomes are the sites where amino acids are linked together to form proteins.

b)

Ribosomes are responsible for DNA replication.

c)

Ribosomes are involved in the breakdown of proteins.

6.

What are the physical properties of amino acids?

a)
Amino acids are only found in animal proteins and not in plants.
b)
Amino acids are polar, can form zwitterions, vary in solubility, and have distinct melting points.
c)
All amino acids are soluble in water and have the same melting point.
7.

What are the chemical properties due to the COOH group?

a)
The COOH group is acidic, can donate protons, and participates in hydrogen bonding.
b)
The COOH group is non-polar and hydrophobic.
c)
The COOH group is a strong base.
8.

What are the chemical properties due to the NH2 group?

a)
The NH2 group is acidic and cannot form hydrogen bonds.
b)
The NH2 group is a strong oxidizing agent.
c)
The NH2 group is only soluble in non-polar solvents.
d)
The NH2 group exhibits basicity, nucleophilicity, and can participate in hydrogen bonding.
9.

What is the biomedical importance of amino acids?

a)
Amino acids are primarily used for energy storage.
b)
Amino acids are only important for muscle growth.
c)

Amino acids are vital for overall cellular function.

10.

How are proteins classified based on shape and size?

a)

Proteins are classified into globular and fibrous.

b)

Proteins are classified into saturated and unsaturated.

c)

Proteins are classified into primary and secondary structures.

d)

Proteins are classified into enzymes and hormones.

11.

What are the different types of protein structures?

a)
Primary, Secondary, Tertiary, Quaternary
b)
Alpha, Beta, Gamma, Delta
c)
Structural, Functional, Regulatory
d)
Monomeric, Dimeric, Trimeric
12.

What is denaturation of proteins?

a)

proteins gaining new functions.

b)

a protein synthesis.

c)

natural folding of proteins.

d)

proteins lose their three-dimensional structure and functionality due to external factors.