Download Study Guide for Chapter 3 in Fox

Study Guide for Chapter 3 in Fox.
Plasma Membrane, etc.
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Review all of the various components of a cell and their functions(s). See table 3.1 & fig. 3.1.
also read the section entitled: Cytoplasm & its Organelles.
Be able to draw a short segment of the structure of the plasma membrane.
Which portion of the membrane is polar? Non-polar?
Why is the membrane represented by a “fluid-mosaic model”?
Why is cholesterol important for the plasma membrane?
What is “phagocytosis”? Bulk transport? Endocytosis? Pinocytosis? Receptor-mediated
endocytosis? Why are these processes important?
In what way are cilia and flagella alike? How are they different?
What are microvilli? What is another term for them?
Cytoplasm and Organelles. (see#1 above)
Cell Nucleus and Gene Expression.
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What is a gene? Where do you find them?
What does the term “gene expression” mean”
What are the definitions I gave you for: replications, transcriptions and translation?
What is the “Human Genome”?
What is chromatin? Nucleosomes?
What does the genetic code, code for?
What are “Triplets”?
How many naturally occurring amino acids are there?
How many possible “code words” are there in the genetic code?
What are the 3 types of RNA? Be able to tell me the role each plays.
Be able to describe the processes involved in: replication, transcription and translation.
Including all of the molecules involved.
20. What are “Codons” and “Anticodons”?
21. What is “pre-messenger RNA”? What are “Introns” and “Exons”?
Cell Cycle
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Review the phases of the cell cycle, G1, S, G2.
What are “oncogenes”?
What is “apoptosis”?
Review mitosis.
What are “telomeres”? Why might they be of some significance?
What do the terms “hypertrophy” and “hyperplasia” mean?
What is the significance of a “karyotype”?
Review meiosis.