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TLS Online TPP Program

#Id: 2154

Second positions most slowly evolve.


#Unit 9. Diversity of Life Forms #Concepts of species and hierarchical taxa #Part B Pointers
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TLS Online TPP Program

#Id: 1262

#Unit 7. System Physiology – Animal

The adrenal cortex secretes three classes of steroid hormones:
Glucocorticoids
Mineralocorticoids
Androgens
TLS Online TPP Program

#Id: 1263

#Unit 7. System Physiology – Animal

The innermost zone of the cortex, zona reticularis, and the middle zone, zona fasciculata, synthesize and secrete glucocorticoids and adrenal androgens. 
TLS Online TPP Program

#Id: 1264

#Unit 7. System Physiology – Animal

The outermost zone, called the zona glomerulosa, secretes mineralocorticoids.
TLS Online TPP Program

#Id: 1265

#Unit 7. System Physiology – Animal

The conversion of cholesterol to pregnenolone, catalyzed by cholesterol desmolase, in mitochondria.
TLS Online TPP Program

#Id: 1266

#Unit 7. System Physiology – Animal

Zona glomerulosa cells capable of secreting significant amounts of aldosterone because they contain the enzyme aldosterone synthase.
TLS Online TPP Program

#Id: 1267

#Unit 7. System Physiology – Animal

Zona glomerulosa lacks 17α-hydroxylase.