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Proteins and Their Functions Quiz

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Questions and Answers

What is the primary function of proteins in controlling molecule movement?

Acting as catalysts in biological reactions

Serving as structural components in the cell membrane

Regulating the flow of molecules in and out of cells (correct)

Functioning as energy storage molecules

How do proteins primarily act as structural components?

Serving as building blocks of hair and muscle (correct)

Composing the lipid bilayer of the cell membrane

Forming the extracellular matrix

Acting as hormone receptors on cell surfaces

In what way do proteins primarily function as enzymes?

Serving as signaling molecules between cells

Facilitating chemical reactions in cells (correct)

Regulating metabolic processes

Defending the body against pathogens

What is the main role of proteins in the immune system?

Recognizing and neutralizing foreign substances Signup and view all the answers

Where are sperm cells stored?

Epididymis Signup and view all the answers

What is responsible for producing both testosterone and sperm cells?

Testes Signup and view all the answers

Which organ is in charge of releasing a fluid that cleans the urethra of foreign objects?

Cowper’s Gland Signup and view all the answers

What is the function of the seminal vesicles?

Produce semen Signup and view all the answers

What is the primary function of the male urethra?

Serve as a pathway for urine and semen Signup and view all the answers

Where is the male external organ, known as the penis, located?

Outside the body Signup and view all the answers