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Cedar Crest College

Cedar Crest College is a private liberal arts women's college in Allentown, Pennsylvania, in the United States. During the 2006-2007 academic year, the college had 1,000 full-time and 800 part-time undergraduates and 85 graduate students.

More information: http://en.wikipedia.org/wiki/Cedar_Crest_College

Animation 19.1 Embryonic Stem Cells

Animation 19.1 Embryonic Stem Cells
Video 19.1 From egg to tadpole: Embryonic development in a frog, Xenopus

Video 19.1 From egg to tadpole: Embryonic development in a frog, Xenopus
Video 5.1 The spreading of mouse epithelial cells onto a slide

Video 5.1 The spreading of mouse epithelial cells onto a slide

Video 8.1 A dinoflagellate, Lepidodinium, with green algal endosymbionts

Video 8.1 A dinoflagellate, Lepidodinium, with green algal endosymbionts
Announcements

Announcements

http://www.the-instructor.com/eyes.jpg Deadline for Online Quiz 14 – Not Midnight Tonight. Residence Halls are experiencing internet access problems; InfoTech expects a solution by the end of today. New deadline: Wednesday @ midnight. Some driving advice: Although you may be able to see the road, others may not be able to see you. To avoid a senseless accident, turn your headlights on when daylight is limited or when it’s raining.
Announcements

Announcements

Chapter 4 On-line Quiz – Deadline Tonight Reminder: Access each on-line quiz only once. Review the Policies & Guidelines on the course syllabus.
Video 16.1 Using bioluminescent markers

Video 16.1 Using bioluminescent markers

Inside of cell Interior of rough endoplasmic reticulum 5' Receptor protein Signal recognition particle mRNA Ribosome Signal sequence Protein synthesis begins on free ribosomes. Figure 12.15 A Signal Sequence Moves a Polypeptide into the ER
Animation 3.1 Synthesis of Prebiotic Molecules in an Experimental Atmosphere

Animation 3.1 Synthesis of Prebiotic Molecules in an Experimental Atmosphere

Water molecules each consist of 1 oxygen (O) and 2 hydrogen (H) atoms. O H H Figure 2.14 Water Molecules Surround Ions

Haplontic Life Cycle Figure 9.12 Fertilization and Meiosis Alternate in Sexual Reproduction

Inside of cell Outside of cell Carrier proteins allow glucose to enter a cell at a faster rate than would be possible by simple diffusion across the membrane barrier. Glucose carrier protein Glucose Figure 5.11 A Carrier Protein Facilitates Diffusion
Video 21.1 Phenotypic plasticity: Predator-induced development pathways in tadpoles

Video 21.1 Phenotypic plasticity: Predator-induced development pathways in tadpoles
Animation 10.1 Independent Assortment of Alleles

Animation 10.1 Independent Assortment of Alleles

1. PEP carboxylase in C4 mesophyll cells catalyzes the formation of the 4-carbon compound oxaloacetate. 2. Oxaloacetate diffuses through plasmodesmata to a bundle sheath cell, where it is decarboxylated, releasing CO2. 3. Starch grains in the bundle sheath cell indicate that the Calvin–Benson cycle is active and that glucose (and then starch) is being produced. Figure 8.17 The Anatomy and Biochemistry of C4 Carbon Fixation

Figure 8.11 Chloroplasts Form ATP Chemiosmotically Thylakoid interior High concentration of H+ (low pH) Stroma Low concentration of H+ (high pH) Photon Photon ATP synthase Photosystem II Photosystem I Protons are actively transported to interior of thylakoid compartment by electrons from photosystem II. ATP synthase couples the formation of ATP to the passive diffusion of protons across the membrane. NADP reductase ATP synthesis Electron transport chain

Inside of cell Phospholipid bilayer Outside of cell Some proteins penetrate the bilayer only partially. Some proteins adhere one cell to another. Some proteins cross the entire membrane. Peripheral proteins do not penetrate the bilayer at all. Carbohydrates are attached to the outer surface of some proteins and lipids. Cholesterol molecules influence the fluidity of fatty acids in the membrane. Figure 5.1 The Fluid Mosaic Model
Animation 13.1 The lac Operon

Animation 13.1 The lac Operon
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