Exam 2: Cells

This figure illustrates a transport process known as _____.

Endocytosis is the reverse of exocytosis and pinocytosis is the reverse of phagocytosis.

Which letter indicates metaphase?

_____ maintains the unequal distribution of potassium and sodium ions across a nerve cell membrane.

The mitotic spindle consists of microtubules.

A normal human body cell contains _____ chromosomes and a normal unfertilized human oocyte (egg) contains _____ chromosomes.

Protein molecules form the basic framework of the plasma membrane.

When charged, medium-sized molecules like glucose and amino acids move across a membrane from high to low concentration, the following process has occurred.

The letter E is pointing to a _____.

The plasma membrane is composed of two layers of _____ molecules with _____ molecules scattered throughout.

Which of the following is not a function of the smooth endoplasmic reticulum in the liver?

All cells of the body have at least one nucleus.

Smooth endoplasmic reticulum is the site of production of _____.

Extracellular fluid includes all of the following except:

Most body cells can engulf small droplets of extracellular fluid through a process called _____.

Which letter identifies the rough endoplasmic reticulum?

The letter B is pointing to a _____.

Active transport of molecules across cell membranes requires adenosine triphosphate (ATP) for energy.

Organelles that are similar to small lysosomes, contain enzymes, and are important in detoxification are called _____.

Water travels continuously between interstitial fluid and intracellular fluid via the process of _____.