Identify how a hormone molecule performs its function

2 answers:

4 0

" hormone is any member of a class of signaling molecules produced by glands in multicellular organisms that are transported by the circulatory system to target distant organs to regulate physiology and behavior. hormones have diverse chemical structures, mainly of 3 classes: eicosanoids, steroids, and amino acid derivatives." Hope this helps-

Jlenok [28]2 years ago

4 0

Explanation:

Hormones are the chemical messengers that coordinate complex processes like fertility, growth and metabolism by traveling throughout the body. Hormones are secreted directly into the blood by the glands, in reaction to the signals received from the brain. All cells in the bloodstream are exposed to the hormones,but only a hormone's target cell reacts, which have receptors for that hormone. Hormone disrupting chemicals can act at any point along this pathway. Some of them are mimic, which sends a false signal by binding the receptor that is not commanded by the brain.

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Answer:

The correct answer is: (A).

Explanation:

In the question, it is mentioned that the algae can grow under the conditions of "enough sunlight" and "enough nutrients".
Sunlight reaches the algae, by first falling on the surface made up of ice and snow and then refracting from there into the top layer of the ice where the algae grows.
However, the capability of both snow and ice to reflect sunlight is far more than that of refracting sunlight.
Therefore, the amount of light received by the algae is similar in absence or presence of the layer of snow on the top layer of ice.
However, on deposition of snow on the layer of the ice, the weight of the ice increases and it sinks below into sea water.
This allows more nutrient rich sea water to percolate into the ice and reach the algae.
The algae receive more nutrients from the sea water and hence is capable undergoing better metabolism and growth.
Hence, more algae are produced under such a situation.