Having genes with related function in one transcription unit is important because such transcription unit will have a single on and off switch. This switch can control expression of this group of genes in a more coordinated manner than when each gene has its own regulatory system. It ensures that these genes are transcribed together as a unit and therefore there functions are highly coordinated since they are related.
Some Genetically modified crops do not need pesticides, Some Genetically pigs have leaner meat
Answer:
The first historical use of biomaterials dates to antiquity, when ancient Egyptians used sutures made from animal sinew. The modern field of biomaterials combines medicine, biology, physics, and chemistry, and more recent influences from tissue engineering and materials science.
Explanation:
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Answer:
your questions is not exactly sure but make sure your questions
Answer:
option C. permissive stimuli
Explanation:
The three major kinds of stimulus that triggers the endocrine glands to synthesize and release hormones are humoral stimuli, hormonal stimuli and neural stimuli. The humoral stimulus regulates the release of hormones with the changes in the concentration of extracellular fluids. For example, the increase of glucose concentration in blood causes pancreas to release hormone insulin.
The hormonal stimuli allows secretion of hormone only with the secretion of any other hormone. The hypothalamus gland secretions allows the anterior pituitary gland to secrete hormones. The release of thyroid hormone is an example of hormonal stimuli.
The neural stimuli allows the production of hormones directly from the glands. The production of epinephrine and norepinephrine hormones are the example of neural stimuli. Thus, option C is correct.