Phytochrome responses can be distinguished by the amount of light required to induce them. The amount of light is referred to as the fluence, which is defined as the number of photons impinging on a unit surface area. 

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#Id: 2245

#Unit 11. Evolution and Behavior

Deletion plays a key role in gene trafficking.which is the movement of genes to new sites in the genome.

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#Id: 5634

#Unit 7. System Physiology – Animal

Rods 

Have low acuity or resolution

are sensitive to low-intensity light

receptors for night vision (scotopic vision)

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#Id: 6592

#Unit 7. System Physiology – Animal

Testosterone, is a  C19 steroid with a hydroxyl group in the 17 position

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#Id: 622

#Unit 2. Cellular Organization

During Attenuation, Region 3-4 forms hairpin then second hairpin is formed between Region 1-2

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#Id: 2478

#Unit 13. Methods in Biology

The most commonly used buffer for separating DNA is TRIS-acetate containing EDTA ( TAE) with a typical pH of 8.3 and used to dissolve the matrix (agarose) as well as the running buffer.