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TLS Online TPP Program

#Id: 575

The Oc mutations are cis-acting/cis dominant, because they affect only the contiguous set of structural genes.

 

#Unit 2. Cellular Organization #Lac Operon #Part B Pointers
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TLS Online TPP Program

#Id: 4022

#Unit 7. System Physiology – Animal

When the L-type calcium channels become inactivated at about the same time, greatly increased numbers of potassium channels open.
TLS Online TPP Program

#Id: 4025

#Unit 7. System Physiology – Animal

Large quantities of positive potassium ions diffuse out of the SA node.
TLS Online TPP Program

#Id: 4026

#Unit 7. System Physiology – Animal

Potassium channels remain open for another few tenths of a second, with resultant excess negativity inside the fiber; this process is called hyperpolarization.
TLS Online TPP Program

#Id: 4027

#Unit 7. System Physiology – Animal
TLS Online TPP Program

#Id: 4028

#Unit 7. System Physiology – Animal
TLS Online TPP Program

#Id: 4029

#Unit 7. System Physiology – Animal

The effects of the autonomic nervous system on heart rate are called chronotropic effects