Possible Essay Questions Exam #2

1. Describe them chemical composition of the plasma membrane. And relate it to the membrane

function. Describe what is meant by the term fluid mosaic

2. Draw and label a generalize cell with the following structures. Define each structure (in terms of

function). Plasma membrane, nucleus, nuclear envelope, nucleoli, cytosol, mitochondria, ribosomes,

rough ER, smooth ER, and golgi apparatus.

3. Describe the different types of passive transport (simple diffusion, facilitated diffusion, osmosis) and

the different types of active transport (solute pumps, vesicular transport).

4. Be able to transcribe and then translate a sequence of DNA. - DNA to RNA to amino acid sequence

(protein)

5. Define tissue. Describe the four major types of tissue.

6. Describe the general characteristics of epithelial tissue. List important functions and give an example

of each.