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Studentka2010 [4]
3 years ago
12

What is the best answer

Biology
1 answer:
lara31 [8.8K]3 years ago
8 0

Answer:

C. Organelles

Explanation:

The answer you've selected is correct! This is a photo of organelles. :)

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The correct option is A. Steroid hormones exert their action by entering the nucleus of a cell and initiating or altering the expression of a gene.

Explanation:

Steroid hormones are derived from cholesterol and regulate multiple biological processes. All steroid hormones exert their action by crossing the plasma membrane and by binding with their respective intracellular receptors. They stimulate cell growth in a very different way, their lipophilic nature gives them the ability to cross lipid barriers, so, without the need for extracellular signals, these hormones can easily enter the cell, cross the cytoplasm and reach the nucleus. There they bind to specific receptors that are associated with DNA promoter regions, modifying their structure and promoting the expression of the genes under their control.

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Someone please help me!!<br><br> There is a picture! Will mark a brainliest! Worth 10 points! :)
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They catch smaller insects in flight, and their large eyes allow them to spot any likely victim from a distance. ... The insect prey is caught by the dragonfly's legs, and spines on the legs prevent the victim from struggling free. The insect prey is usually eaten while the dragonfly continues flying.

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