BIOL 190 Links

Cell and Molecular Biology Links

A really cool cell graphic (BioVisions at Harvard University)

Buffers

Cell Cycle

Mitosis

Control of the cell cycle

Cell Signaling

Amplification and second messengers

G-protein-coupled receptors and ion channels

Cellular Respiration (Chemiosmosis)

DNA packing (chromatin)

DNA Replication

from McGraw-Hill

from St. Olaf College

DNA structure and Replication (from DNA Help)

DNA Technologies

cDNA

Cloning a Gene

DNA Microarrays (tutorial)

DNA Microarrays

Polymerase Chain Reaction (from McGraw-Hill) 

Polymerase Chain Reaction (from Sumanas Inc.)

Embryonic Stem Cells

Endocytosis (Phagocytosis)

Recombinant DNA/Bacterial Transformation

RNAi (shows degradation only)

RNA Processing in Eukaryotes (spliceosomes) 

Enzymes

Enzyme Catalysis

Allosteric Inhibition

Conformational Change

Tyrosinase (catechol oxidase)

Gene Regulation in Eukaryotes (from McGraw Hill)

Lactose (lac) Operon

Inducible Regulation

Combination of Switches

Meiosis

From John Kyrk 

from McGraw-Hill

Comparison of Meiosis and Mitosis (from McGraw-Hill) 

Random Alignment of Chromosomes

Na+/K+ Pump

Osmosis and Diffusion

Diffusion

Osmosis

Isotonic solution (turgid Elodea leaf)

Hypertonic solution (plasmolysis)

Photosynthesis

Photosynthesis Overview

Light Reactions

Calvin Cycle 

Protein Degradation

Protein Processing

Transcription

Eukaryotic Transcription by John Kyrk 

from St. Olaf College (simple)

Prokaryotic v. Eukaryotic transcription (McGraw-Hill) 

Transcription Complex and Enhancers (eukaryotes)

Translation

from McGraw-Hill

from St. Olaf College (simple)

Tryptophan (trp) Operon (repressible)

image from www.photobucket.com

Feel free to use any of the animation/tutorial links to help you visualize and better understand the material.