chapter 3, worksheet A, due Monday 9-21-09

Chapter 3a worksheet/outline (page 57-62)
Directions: Read the chapter. As you are reading, take notes on the following questions and vocabulary words. You may also have notes or explanations of many of these in class.

What are the 4 basic concepts of the cell theory?
Cytology means
Light micrograph
Transmission electron micrograph
Scanning electron micrograph
Cell anatomy
Extracellular fluid
intracellular
Interstitial fliud
Cell membrane
Cytoplasm
Nucleus
cytosol
organelles
see figure 3-2, need to learn all of these structures
see organelles table 3-1, need to learn
4 functions of the cell membrane (plasma membrane
1.
2.
3.
4.
The cell membrane is _______________thick and is made of ___________, ____________, and ________________.
Membrane lipids
Phospholipids
Hydrophobic
Hydrophilic
Why is it called a phospholipids bilayer?
What is able to cross the bilayer?
What is not able to cross?
Membrane proteins
Transmembrane proteins
Membrane proteins may function as: (see table 3-2, page 62)
Receptors
Channel
Carrier
Enzymes
Anchoring
Recognition
Membrane Carbohydrates
Function as:
Glycoproteins
glycolipids

Answer the concept check questions on page 62 (in your own words)
Then check your answers in the back of the book.