Exam 5: Cell Structure

Match each cell structure with its corresponding description or function. -Tubular network in the cell with no ribosomes that synthesize lipids and carbohydrates

An organelle called a vault, composed of RNA and protein, functions to shuttle molecules to and from the nucleus.

Match each term to the phrase that describes it best. -Cell extension that increases surface area for more efficient absorption

The largest human cell is the female ovum or egg cell.

Which of the following organelles is considered a membranous organelle?

Which of the following organelles is considered a nonmembranous organelle?

Tiny indentations of the plasma membrane that resemble caves are called:

Match each cell structure with its corresponding description or function. -Major source of ATP synthesis; the "powerhouse" of the cell

Which organelle processes and packages material to be secreted?

Which of the following statements does not describe the nucleolus?

The nucleolus is composed chiefly of:

Which fiber is the smallest of the cell fibers?

Which of the following is not a function of the plasma membrane?

The catalase in the peroxisomes reacts to detoxify carbon dioxide.

Another term for cytosol is intracellular fluid.

One important function of integral membrane proteins is signal transduction or carrying messages across the cell membrane.

Skin cells (epithelial) are held tightly together by:

Small protein structures called molecular motors pull loads from one part of the cell to another along the cytoskeleton.

Primary cilia are unable to move because they lack the central pair of microtubules and motor molecules.

Which organelle consists of separate tiny sacs called cisternae?