Exam 3: Cell Structure and Function

Which cytoskeletal structure is involved in the movement of chromosomes during cell division?

Which of the following types of RNA are NOT matched correctly with their function?

When mRNA molecules are formed,they are complementary to DNA with the exception that

The movement of protein molecules within the phospholipid bilayer is described by the

Which organelle is involved in processing,packaging,and secretion of proteins and lipids?

The random movement of simple substances from an area of higher concentration to an area of lower concentration is called

Hemolysis means

Filtration

Compare mitosis and meiosis with regard to number of cell divisions,effect on chromosome number,and function.

__________ are small hair-like extensions that produce movement across the surface of cells.

Which of the following is NOT a passive process of movement?

Sperm use __________ for movement.

Semipermeable membrane means that half the amount of a substance can pass through the plasma membrane. Semipermeable membrane means that some things can pass through the plasma membrane,while other things will not pass through.

The nuclear envelope contains the nuclear material and its structure is a

The period of interphase when cell growth and manufacture of organelles occurs is the

Which of the following is NOT a form of RNA used in protein synthesis?

The plasma membrane is

When a cell is placed into a(n)__________ solution,water enters the cell.

The chromosomes lining up randomly at the equator of the cell occurs during

Explain the fluid mosaic model of the plasma membrane.