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Answer:</h2>
The correct answer is option D which is that endocrine control can control melatonin.
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Explanation:</h2>
As melatonin is released from pineal gland which is a part of endocrine system.The endocrine system is a chemical messenger system which has glands, which secretes certain chemicals known as hormones.These hormone acts on different organs to control different metabolisms in body.So melatonin which is hormone can be controlled by the endocrine system.
Answer:
Transgenic animals require a host to grow but transgenic bacteria and plants do not require host.
Explanation:
Transgenic organisms are the organisms in which foreign genetic material are introduced so that the transgenic organism can get some particular traits and characteristic.
The process of producing transgenic animals is different from producing transgenic plant and transgenic animals because in transgenic animals DNA from a cell is transferred into an enucleated oocyte.
Then this oocyte is transferred to the oviduct of a surrogate mother to raise the genetically modifies embryo but in plant and microbe, no host is required.
Evpor in water it's became rain clouds it was moving place to place
