Exam 3: Cell Structure and Function in Bacteria and Archaea

An individual rod- shaped bacterium is also called a(n) _______morphology, while two or more of these are collectively described as ________. Similarly, one _______is a spherical bacterium, and two or more are termed .

Describe the processes of endospore formation and germination.

Both hydrophilic and charged molecules readily diffuse through the cytoplasmic membrane.

What is the biological function of endospores?

Explain what would happen to a motile bacterium undergoing chemotaxis if the Fli proteins suddenly ceased to function.

The energy source derived from the charge separation across the cytoplasmic membrane is referred to as the_______ .

Compare and contrast aerotaxis and osmotaxis.

Photoreceptors are analogous to chemoreceptors in that they are both proteinaceous sensors.

One of the many types of proteins found in the cytoplasmic membrane is involved in the chemotactic response and is called a

Sterols are virtually always

Which of the following statements is/are TRUE?

Which of the following statements is FALSE?

Eukaryotes have _______in their cytoplasmic membranes, which serve to strengthen and stabilize the membrane and make it less flexible. Many Bacteria have similar molecules, known as ________ , in their membranes that likely have a similar role.

The term given to the phospholipid bilayer and the proteins embedded within it is_______.

When does endospore formation commence?

Which statement is TRUE?

The lipopolysaccharide (LPS) layer is found ONLY in the cell wall of

In general, swimming is performed with flagella, whereas gliding uses other cellular components such as pili.

Which is a function of the cytoplasmic membrane in prokaryotes?

The terms "run" and "tumble" are generally associated with