GBIO 106 Exam II Study Guide
Chapters 3 and 4
Robert Hooke
Schleiden and Schwann
Components of Cell Theory
General Characteristics that All Cells have
Prokaryotes vs. Eukaryotes
Plant vs. Animal cells
Cell Organelles (functions associated with each)
Free vs. Bound ribosomes
Rough E.R. vs. Smooth E.R.
Examples of secretory proteins (ex. Insulin)
How does a cell secrete a protein?
Know the organelles involved in that process
How is a lysosome made? What are its contents?
Functions of the cytoskeleton (Know the examples)
Sites of Aerobic respiration
Turgor Pressure and its importance to plants
Singer and Nicolson “The Fluid Mosaic Model”
Structure and Function of the Plasma Membrane
Membrane proteins-Function, Examples of some
Membrane proteins – assoc. with Active transport
and facilitated diffusion
Diffusion- requirements of diffusion,
factors that affect diffusion
Concentration gradient – examples
hypothetical situations
Osmosis- factors that affect osmosis
Cell environments- the affect of each on a cell
Passive transport vs. Active transport
Endocytosis (3 types) – know examples of each
Exocytosis – relationship to secretion/excretion (Ex.)
Why are cells so small?
Surface Area/Volume ratio of a cell
1.
2.
3.
4.
Specialized cell surfaces (desmosomes, tight
junctions, gap junctions and plasmodesmata
Diagram the flow of genetic information within the cell as described by central dogma and include the
sites in which each stage of the process occurs.
A cell is more like a normal ____canned drink than a normal ____ canned drink.
a. 10 oz. , 8oz b. 10oz. , 40 oz. c. 40 oz., 10 oz.
Explain your answer for #2.
____ and ____ in 1972 described the plasma membrane as being a “Fluid Mosaic Model”
a. Watson and Crick
b. Schleiden and Schwann
c. Singer and Nicolson
d. Betty and Crocker
5.
Why can more ATP be produced in the mitochondria than in the cytosol?
6.
A cell contained 25% sucrose solution within its cytoplasm and was placed in a beaker of pure water.
A second cell contained 55% sucrose solution within its cytoplasm and was placed in its own beaker of
pure water. Which setup will osmosis occur fastest within?
a. cell 1 and beaker 1
b. cell 2 and beaker 2
c. they are the same
7.
List all the steps that a pancreas cell must go through in order to produce and secrete insulin into your
bloodstream. Give the general name for this process of secretion.
8.
Describe all the steps a White Blood Cell must go through in order to engulf a bacterial cell and digest
it. What is the specific name of this process?