Answer:
A <u><em>receptor</em></u> is a protein that recognizes and responds to a signal.
Explanation:
A receptor is a protein molecule present on the cells on which the signalling molecules can bind and generate a physiological response. Some receptor molecules can also respond to Sun and light. Each type of cell has specific receptors molecules and hence can respond to specific signals. The receptor molecules hence tend to receive signals for a cell. Molecules such as hormones bind to the receptors.
The answer to this question would be :4.) SpeciesIn taxonomy, the organism will be divided into different groups based on a specific character from that organism. It could be an organ
The sequence from top to bottom would be:
<span>life
<span>domain
</span><span>kingdom
</span><span>phylum
</span><span>class
</span><span>order
</span><span>family
</span><span>genus
</span><span>species
The lowest subgroup is called species</span></span>
Answer:
the fish couldn't eat
Explanation:
some of the fish and plants feed off of plants out of water. by removing them, they lost their nutrients.
These are known as Hormones. Hormones are chemical messengers that are released in one tissue normally endocrine glands for example, adrenal glands, pituitary glands, and transported in the blood stream to alter the activities of specific cells in other tissues. Hormones serves as messengers, controlling and coordinating activities or processes such as growth, metabolism and fertility in the body.
Answer:
5 · every skin cell in a human body
