When blood glucose rises above 5 mM, hexokinase IV activity increases, but hexokinase I is already operating near Vmax and cannot respond to an increase in glucose concentration. 

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#Id: 181

#Unit 5. Developmental Biology

Genetic specificity of induction:

mesenchyme may instruct the epithelium as to what sets of genes to activate, the responding epithelium can comply with these instructions only so far as its genome permits.

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#Id: 4911

#Unit 13. Methods in Biology

Variance always has squared units. For example, the variance of a set of weights estimated in kilograms will be given in kg squared.

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#Id: 3248

#Unit 3. Fundamental Processes

One of the most mutagenic base analogs is 5-bromouracil, an analog of thymine.

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#Id: 9065

#Unit 4. Cell Communication and Cell Signaling

The promoter or enhancer segments of all genes regulated by PKA contain a cis-acting DNA sequence, the cAMP-response element (CRE), which

contains the highly conserved nucleotide sequence,

5'-TGACGTCA-3'.

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#Id: 9800

#Unit 6. System Physiology – Plant

Proportion of phytochrome in the Pfr form after saturating irradiation by red light is only about 85%.