NS 1011B: Introduction to Biology: Cells and Organisms

Spring '08 Syllabus

Week 4 Schedule

February 11 - 15

Monday

Tuesday

Wednesday

Thursday

Friday

Carbohydrates

Lipids

Office Hours:

Classes Canceled due to weather

Structure/function relationships

Tree map of macromolecules

Homework This Week:

For Monday, Feb. 11
Read ch. 3.9-3.10, pages 63-67.

Answer the following questions (also available as a Word document in the class shared folder):

What is the difference between simple and complex carbohydrates?
What is the difference in structure between starch and cellulose?
List three functions of carbohydrates, and give an example of a carbohydrate which has each function.
Both carbohydrates and fats are used to store energy. What is the difference?
Give three examples of lipids and explain the function of each.
What is the difference between a saturated fatty acid and an unsaturated fatty acid?
Is cholesterol always "bad"? Why or why not?

For Wednesday, Feb. 13
Review ch. 3.7-3.10, pages 56-66.

How does the structure of each macromolecule fit with its function?

For Thursday, Feb. 14
Packing Peanuts lab due

For Friday, Feb. 15
Review chapters 1-3 for Test 1.

For Monday, Feb. 18
No Classes: Long Weekend

For Wednesday, Feb. 20
Read ch. 4.1-4.2, pages 69-76.

Answer the following questions (also available as a Word document in the class shared folder):

One of the tenets of cell theory is that "Cells arise only by division of a previously existing cell." Louis Pasteur did an experiment to demonstrate that life does not arise spontaneously. Read the information at this link, and explain Pasteur's experiment.
"Most cells are small because larger cells do not function as efficiently." Why don't larger cells function efficiently?
What is the major component of membranes? What is a bilayer?
What is one function of transmembrane proteins?
Why do you think the current model of cell membranes is called the fluid mosaic model? HINT: what does mosaic mean? What about a membrane is fluid?
Draw a diagram of a cell membrane. Label all the parts.
What type of protein is defective in cystic fibrosis patients?

Vocabulary This Week:

carbohydrate

simple carbohydrate

monosaccharide

disaccharide

complex carbohydrate

lipid

fatty acid

trigliceride

saturated

unsaturated

phospholipid

hydrophobic

hydrophilic

cholesterol

steroid

For other vocabulary, see test review page