{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

exam 11 - 6 12 pts Refer to the diagram of a cell a List...

Info icon This preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
Name:______________________________ Bio 311C Spring 2006 Exam 1 1. (4 pts) List and briefly describe 4 reasons given in class why water is important for life on Earth. 2. (6 pts) Mix and match: Assign the appropriate letter to the name of the functional group. A. B. C. D. E. H. ________ Amino group ________ Carboxyl group ________ Phosphate group ________ Ketone group ________ Hydroxyl group ________ Aldehyde group
Image of page 1

Info icon This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
3. (5 pts) What three structural components make up a nucleotide? How many different kinds of nucleotides exist? List all of them. 4. (10 pts.) Using the following categories, assign the appropriate macromolecule to the example given. A. Carbohydrates B. Lipids C. Proteins ______________ Galactose ______________ Glycogen ______________ Testosterone ______________ Cellulose ______________ Keratin ______________ Chitin ______________ Cholesterol ______________ Beef fat ______________ Hemoglobin ______________ Collagen 5. (3 pts) List and briefly describe three sources of cell signals.
Image of page 2
Image of page 3

Info icon This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 6. 12 pts. Refer to the diagram of a cell. a. List and label only the components of the endomembrane system seen on the diagram. 6. Continued b. Is it an animal or a plant cell? Why? c. What function do the components of the endomembrane system all have in common? 7. (5 pts) Why must transmembrane proteins (proteins that span the plasma membrane) have polar and non-polar regions? Where would you expect to find the polar and non-polar regions of such a protein? 8. (2 pts) List the three domains of life. 9. (3 pts) List three types of endocytosis. Which type directly involves a transmembrane protein? 10. (4 pts) List two signal molecules that can freely diffuse through the plasma membrane. 11. (4 pts) Give two examples of signal receptor systems located in the plasma membrane. 12. (5 pts) Define and give two examples of the electrogenic pump....
View Full Document

{[ snackBarMessage ]}