BIO 4700: Cell Physiology
Topic 6: Cell Signaling and Cytoskeleton
Reading Assignment: Chapter 16, pp. 526-561; Chapter 17, 565-599.
1. Compare and contrast the functions of hormones and local mediators.
Hormones are produce
and Protein Transport
Name the membrane-enclosed organelles.
o Eukaryotic Cell is a basic set of membrane=enclosed organelles
How are these organelles held in place?
o Cytoskeleton hold
Study Questions & Answers
What are primary messengers? Secondary messengers?
o Primary messenger - Ligands (protein and steroids)
o Secondary messenger - Transduction (those that are inside the cell)
What is signal transduction?
What is oxidative phosphorylation and where does it occur?
o Generation of ATP through this oxidation process that happens in the
inner membrane of the ETC.
What are the two-linked stages of ATP production.
Chemotrophic Metabolic Pathways
What are anabolic and catabolic pathways?
What is the principle coenzymes utilized in metabolic pathways?
o NAD and FAD