Exam 3: Cell Structures and Their Functions

The function of tRNA in translation is to

All cells synthesize the same kinds of molecules.

All cells have only one nucleus during their entire lifespan.

Water can diffuse through the lipid portion of the plasma membrane.

The process that a cell would use to transport materials out of the cell would be

Glycoproteins are important as attachment proteins.

A transport protein that provides a tunnel through the membrane that is specific for what can enter is called a

The products of mitosis are

The function of ribosomes is to

Glycogen granules, hemoglobin and melanin are examples of

An antiporter moves

What cell organelle is responsible for lipid and carbohydrate synthesis and detoxification of chemicals?

Rapid movement of water through the plasma membrane occurs through water channels called

The basic living unit of all organisms is the

Which organelle functions to break down fatty acids, amino acids and hydrogen peroxide?

What occurs during alternative splicing?

What are cell surface molecules that act in identification, recognition and communication?

Transport proteins include all of the following except

Which instrument allows us to see features of the cell surface and the surfaces of internal structures?

Pinocytosis means "cell-drinking" and indicates the loss of fluids by a cell.