exam review
BIOLOGY 1406 REVIEW FOR EXAM II
Chapter 6: A Tour of the Cell
I. The microscope A. Differences between light microscope, scanning and transmission electron microscope B. Relationship between magnification, resolution and contrast
II. Compare and contrast prokaryotic and eukaryotic cells
III. Know parts of the cells, their structure and function A. The nucleus B. Ribosomes C. Endomembrane system 1. Nuclear envelope 2. Endoplasmic reticulum (ER) a. Rough ER-has ribosomes b. Smooth ER-lacks ribosomes 3. Golgi apparatus 4. Lysosomes 5. Vacuoles a. food vacuole b. contractile vacuole c. central vacuole 6. Plasma membrane D. Mitochondria E. Chloroplasts F. Peroxisomes G. Cytoskeleton (Table on page 113) 1. Microtubules a. cilia b. flagella 2. Microfilaments (actin) a. muscle contraction b. pseudopodia c. cyotplasmic streaming 3. Intermediate filaments H. Extracellular components and connections 1. Cell walls of plants a. primary cell wall b. secondary cell wall c. middle lamella 2. Extracellular matrix of animal cells 3. Intercellular junctions a. plasmodesmata b. tight junctions c. desmosomes d. gap junctions
Chapter 19: Viruses
I. Structure of viruses A. Nucleic acid enclosed in a protein coat B. Viral genomes 1. Double or single-stranded DNA 2. Double or single-stranded RNA C. Protein coat called a capsid made up of protein subunits called capsomeres
II. General features of viral replicative cycle
Chapter 7: Membrane Structure and Function
I. Membrane structure: Fluid mosaic model of membrane structure A. Phospholipids 1. Freely drift laterally 2. Rarely “flip-flop” 3. Effect of temperature on fluidity 4. How a cell can regulate fluidity a. saturated vs. unsaturated fatty acids b. cholesterol B. Proteins and their various
Chapter 6: A Tour of the Cell
I. The microscope A. Differences between light microscope, scanning and transmission electron microscope B. Relationship between magnification, resolution and contrast
II. Compare and contrast prokaryotic and eukaryotic cells
III. Know parts of the cells, their structure and function A. The nucleus B. Ribosomes C. Endomembrane system 1. Nuclear envelope 2. Endoplasmic reticulum (ER) a. Rough ER-has ribosomes b. Smooth ER-lacks ribosomes 3. Golgi apparatus 4. Lysosomes 5. Vacuoles a. food vacuole b. contractile vacuole c. central vacuole 6. Plasma membrane D. Mitochondria E. Chloroplasts F. Peroxisomes G. Cytoskeleton (Table on page 113) 1. Microtubules a. cilia b. flagella 2. Microfilaments (actin) a. muscle contraction b. pseudopodia c. cyotplasmic streaming 3. Intermediate filaments H. Extracellular components and connections 1. Cell walls of plants a. primary cell wall b. secondary cell wall c. middle lamella 2. Extracellular matrix of animal cells 3. Intercellular junctions a. plasmodesmata b. tight junctions c. desmosomes d. gap junctions
Chapter 19: Viruses
I. Structure of viruses A. Nucleic acid enclosed in a protein coat B. Viral genomes 1. Double or single-stranded DNA 2. Double or single-stranded RNA C. Protein coat called a capsid made up of protein subunits called capsomeres
II. General features of viral replicative cycle
Chapter 7: Membrane Structure and Function
I. Membrane structure: Fluid mosaic model of membrane structure A. Phospholipids 1. Freely drift laterally 2. Rarely “flip-flop” 3. Effect of temperature on fluidity 4. How a cell can regulate fluidity a. saturated vs. unsaturated fatty acids b. cholesterol B. Proteins and their various