Populational change is Darwin’s hypothesis that evolution occurs by changes in the proportions (frequencies) of different variant kinds of individuals within a population.

TLS Online TPP Program

#Id: 1606

#Unit 5. Developmental Biology

Cells passing through the more posterior portions of the primitive streak give rise to the majority of mesodermal tissues.

TLS Online TPP Program

#Id: 1185

#Unit 7. System Physiology – Animal

The hyperpolarization of rod cells:

  Reduces the release of glutamate

  Generates a signal in the bipolar cells

  Leads to AP in ganglion cells 

TLS Online TPP Program

#Id: 6675

#Unit 3. Fundamental Processes

Lariat formation is characterize by 2’-5’ phosphodiester bond Prp8, a large scaffold protein that directly contacts both the 5’ and 3’ splice sites within the spliceosome.

TLS Online TPP Program

#Id: 1198

#Unit 7. System Physiology – Animal

FSH stimulates aromatase in the granulosa cells

TLS Online TPP Program

#Id: 6420

#Unit 2. Cellular Organization