Hitchhiking: Change in the frequency of an allele due to linkage with a selected allele at another locus.

TLS Online TPP Program

#Id: 4993

#Unit 6. System Physiology – Plant

It can enhance its chances of growing above the canopy and acquiring a greater share of unfiltered, photosynthetically active light.

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#Unit 3. Fundamental Processes

Promoters that do not contain a TATA element are called TATA-less promoters. Surveys of promoter sequences suggest that 50% or more of promoters may be TATA-less.

TLS Online TPP Program

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#Unit 7. System Physiology – Animal

Rhodopsin is comprised of: 

  Retinal (an aldehyde of vitamin A)

  Opsin protein (GPCR)

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#Unit 7. System Physiology – Animal

Postsynaptic inhibition occurs when an inhibitory transmitter (eg, glycine, GABA) is released from a presynaptic nerve terminal onto the postsynaptic neuron.

TLS Online TPP Program

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#Unit 4. Cell Communication and Cell Signaling

Noncoding RNAs (RNAs that do not encode proteins),
especially micro-RNAs (miRNAs), play a critical role in tumorigenesis.