A 14-bp “core” region, called the A domain, which contains an 11-bp consensus sequence consisting of A-T base pairs. This consensus sequence (sometimes called the ACS, for ARS)

TLS Online TPP Program

#Id: 6981

#Unit 5. Developmental Biology

A stem cell retains the ability to divide and re-create itself while also having the ability to generate progeny capable of specializing into a more differentiated cell type. 

TLS Online TPP Program

#Id: 4967

#Unit 6. System Physiology – Plant

Change surface charge

Red light causes a depolarization of membranes and far-red reverses or even causes a slight hyperpolarization.

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#Id: 4038

#Unit 7. System Physiology – Animal

activation of the M2 receptors decreases cyclic adenosine 3′,5′-monophosphate (cAMP) in the cells, and this slows the opening of Ca 2+ channels.

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#Id: 9810

#Unit 6. System Physiology – Plant

Pfr is the physiologically active forms of Phytochrome

Wild type: short hypocotyl by white light

hy mutant (phytochrome mutant): long hypocotyl by white light

TLS Online TPP Program

#Id: 7021

#Unit 5. Developmental Biology

The adult stem cell is housed in and controlled by its own adult stem cell niche, which regulates stem cell self-renewal, survival, and differentiation of those progeny that leave the niche.