Exam 3: Cells and How They Work

An organelle found in the nucleus is a

Which of the following statements about cells is NOT true?

These are sometimes referred to as rough or smooth depending on the structure.

The net diffusion of water across a selectively permeable membrane is

The organelle that degrades potentially harmful hydrogen peroxide to harmless substances is the

The phospholipid molecules of most membranes have

During electron transport phosphorylation, which ions accumulate in the outer compartment of the mitochondria?

Which statement is true?

Selecting the Exception Four of the five answers listed below are hydrogen acceptors. Select the exception.

Selective permeability of the cell membrane is controlled by

The word prokaryotic means

In the breakdown of glucose, the first energy-releasing step produces two molecules of

The severe diarrhea associated with cholera is brought about by

During glycolysis, a glucose molecule is split into two molecules of

Why does the breakdown of a fatty acid yield more ATP than the breakdown of glucose?

In places where the public sanitation is poor, people run the risk of getting

A photograph formed using a microscope is called a(n)

Selecting the Exception Four of the five answers listed below are features of plasma membrane extensions. Select the exception.

Which organelles are produced by the nucleolus?

How many cholera bacteria must be ingested in order to become ill?