Koofers

Videos in   » 
Videos 41 - 60 of 201
 
17:03
0
More detail on the Calvin Cycle and Photorespiration
Author: Salman Khan Views: 8
 
21:03
0
Parts of a cell
Author: Salman Khan Views: 31
 
18:59
0
Author: Salman Khan Views: 15
 
16:30
0
Oxygen uptake by hemoglobin in red blood cells
Author: Salman Khan Views: 9
 
14:34
0
Hemoglobin and its role in the circulatory system
Author: Salman Khan Views: 17
 
13:53
0
How a sodium potassium pump can maintain a voltage gradient across a cell or neuron's membrane
Author: Salman Khan Views: 18
 
6:48
0
Author: Salman Khan Views: 7
 
18:53
0
How electrotonic and action potentials propagate down cells
Author: Salman Khan Views: 11
 
12:04
0
Saltatory conduction or how neurons use both electrotonic and action potentials to have signals move quickly while not losing strength.
Author: Salman Khan Views: 12
 
9:38
0
How myosin and actin interact to produce mechanical force.
Author: Salman Khan Views: 11
 
9:22
0
Tropomyosin and troponin and their role in regulating muscle contraction. How calcium ion concentration dictates whether a muscle is contracting or not.
Author: Salman Khan Views: 6
 
14:42
0
The role of the sarcoplasmic reticulum in controlling calcium ion concentrations within the muscle cell
Author: Salman Khan Views: 1
 
8:07
0
Overview of types of immune responses. Difference between innate and adaptive immunity. Differences between humoral adaptive immunity and cell-mediated adaptive immunity.
Author: Salman Khan Views: 10
 
11:33
0
How professional antigen presenting cells present parts of engulfed pathogens on MHC II complexes (major histocompatibility complexes).
Author: Salman Khan Views: 5
 
20:33
0
Introduction to helper T cells and their role in activating B cells
Author: Salman Khan Views: 9
 
10:06
0
How cytotoxic T cells get activated by MHC-I/antigen complexes and then proceed to kill infected cells
Author: Salman Khan Views: 7
 
11:07
0
 
14:35
0
Overview of the inflammatory response
Author: Salman Khan Views: 8
 
14:13
0
Author: Salman Khan Views: 4
 
1:12:54
+6
Chimpanzee males compete for position in a dominance hierarchy; status often depends on support from other members, including females, of the group. High-ranking males have much greater sexual access ..
Author: Robert Wyman Views: 79
Videos 41 - 60 of 201
132, "/var/app/current/tmp/"