Exam 2: The Celt Basic Unit of Structure and Function

DNA is organized into discrete units called ____________ that provide information for the production of specific proteins.

Transmission electron microscopy (TEM)uses an electron beam to create an image for viewing.

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.

Which is an active transport process?

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

The _______ is responsible for forming the outer,limiting barrier of a cell.

Everything packaged by the Golgi apparatus for secretion leaves the cell within a vesicle.

Among the many functions of the liver's cells is the storage of carbohydrates as glycogen.

Exocytosis occurs as a result of

The movement of glucose across a plasma membrane is achieved by

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

The phase of mitosis that begins as spindle fibers pull sister chromatids apart at the centromere is

The term "flagellum" is appropriate for the structure it represents because it means

The replication of the DNA molecule during interphase occurs during the

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

Which is a non-membrane-bound organelle?

The ______ is the cell's control center.

The unit of measurement often used to measure cell size is the

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

Nuclear ____________ are open passageways that penetrate fused regions of the double membrane of the nuclear envelope.