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Physiology Science and Organism Function Quiz

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Physiology Science and Organism Function Quiz

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Questions and Answers

What is the function of the cell membrane?

To synthesize proteins for the cell

To regulate the cell's reproductive functions

To store energy for the cell

To act as a barrier between the cell and its surroundings (correct)

Which component makes up about 42% of the cell membrane?

Integral proteins

Lipid bilayer made of phospholipids and cholesterol (correct)

Peripheral proteins

Nucleic acids

What is the role of peripheral proteins in the cell membrane?

To be attached to the surface of the cell membrane (correct)

To facilitate energy production for the cell

To extend through the whole thickness of the membrane

To regulate the passage of nutrients into the cell

Which system is responsible for distributing nutrients, oxygen, and metabolic products in the human body?

Cardiovascular system Signup and view all the answers

What is the main function of the reproductive system?

To perpetuate the species Signup and view all the answers

Which type of solute transport across the cell membrane does not require energy?

Facilitated diffusion Signup and view all the answers

What type of substances can diffuse through the lipid bilayer of cell membranes?

Lipid-soluble substances and water Signup and view all the answers

Which proteins are responsible for tissue typing and antibody processing in the immune system?

Structural proteins Signup and view all the answers

What is the function of ion channels in the cell membrane?

Facilitated diffusion of ions Signup and view all the answers

Which type of transport across the cell membrane involves the movement of molecules from an area of higher concentration to an area of lower concentration?

Diffusion Signup and view all the answers