Explanation:
Receptors are specific molecular components of a biological system with which drugs interact to produce changes in body function. This fundamental event of drug-receptor interaction initiates communication, through signal molecules (first messenger) of great structural and functional diversity, with receptors coupled to ionic channels, to G-proteins, catalytic or regulators of DNA transcription, as well as The integrated support of second messengers. It also mentions certain diseases that arise due to dysfunction of these receptors of the receptor-effector systems, such as the appearance of aberrant receptors or as products of "oncogenes".
The number of protons in an atomic nucleus; it indicates the position of an element in the periodic table. The number of protons in the nucleus of an atom. Inelectrically neutral<span> atoms, this number is also equal to the number of electrons orbiting about the atom's nucleus.
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The answer should be the stomata
Chemosynthetic organisms are considered <u>autotrophs</u>
Option A
<h3>What is chemosynthesis?</h3>
It is a a special type of autotrophic nutrition whereby organisms use chemical energy to produce their own food by themselves.
In this case, chemosyntyethic or autotrophic bacteria produce their food using chemical energy
<h3>What are autotrophs?</h3>
Autotrophs are organisms that produces their food by themselves either through photosynthesis or chemosynthesis
Learn more about autotrophs:
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Photosynthesis
Plant cells need their chloroplast to make food from the sun through photosynthesis