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TLS Online TPP Program

#Id: 3536

Human mitochondrial DNA has 22 tRNA genes, 2 rRNA genes, and 13 protein-coding regions. 


#Unit 2. Cellular Organization #CELL CYCLE #Part B Pointers
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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
TLS Online TPP Program

#Id: 4030

#Unit 7. System Physiology – Animal

Positive chronotropic effects are increases in heart rate.