Exam 2: The Cell: Basic Unit of Structure and Function

The replication of the DNA molecule during interphase occurs during the

The folds of the internal membrane of a mitochondrion are called

The _____________ proteins are those that are not embedded in the membrane lipid bilayer but are attached loosely to its external and internal surfaces.

The digestion of a cell by its own enzymes is called _______________.

If the inside of a cell has a net negative (ionic)charge,a negative ion outside the membrane is more likely to be attracted to the intracellular environment.

Metaplasia is the abnormal transformation of a fully differentiated adult tissue into a differentiated tissue of another kind.

The phase of mitosis that begins with the arrival of a group of single-stranded chromosomes at each pole of the cell is

An image produced by passing visible light through a specimen is obtained using the

Among the functions of the plasma membrane are to form specialized intercellular connections,provide for selective permeability,and facilitate the recognition and response to molecular signals.

_______________ transport is required to move a substance across a membrane against a concentration gradient.

Which of the following structures function in holding organelles in place,maintaining cell shape and rigidity,and direct organelle movement?

Another name for the intracellular fluid is

Functions of human body cells include

The building blocks that form the DNA double helix are called

The life cycle of the cell is called the _____ cycle.

In order to process digested nutrients and detoxify chemical agents such as drugs and alcohol,the ______ contains abundant amounts of smooth ER.

The means by which large molecules are brought into the cell is called _______________.

Within the bone marrow are __________ cells that continuously produce new blood cells.

Removal of old organelles is via a process called

Proteins that assist the movement of a substance across the membrane are called _____ proteins.