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: 5708

#Unit 7. System Physiology – Animal

Kallmann syndrome

the combination of hypogonadism due to low levels of circulating gonadotropins (hypogonadotropic hypogonadism) with partial or complete loss of the sense of smell ( hyposmia or anosmia )

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#Id: 6288

#Unit 3. Fundamental Processes

A consensus sequence is, in each case a version of the sequence having at each position the nucleotide (or amino acid) most commonly found there in different examples. Thus, the consensus sequence for promoters in E. coli recognized by RNA polymerase containing s70

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#Id: 5936

#Unit 10. Ecological Principles

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#Id: 5807

#Unit 7. System Physiology – Animal

The adrenal cortex secretes three classes of steroid hormones: Glucocorticoids Mineralocorticoids Androgens

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#Id: 6999

#Unit 5. Developmental Biology

Unlike pluripotent stem cells, adult or multipotent stem cells in culture not only have a restricted array of cell types that they can create, but they also have a finite number of generations for self-renewal.