Answer:
b)It is a compound because it is made of a single kind of molecule.
Explanation:
The organelle that provides evidence for this theory is the mitochondria and the chloroplast.
<h3>What is the endosymbiotic theory?</h3>
The endosymbiotic theory is the theory which describes how the eukaryotic cells arose from simple prokaryotic cells.
In the endosymbiotic theory states that when two prokaryotic cells with several abilities came together, one engulfed the other and existed in a symbiotic relationship that enabled the cells to meet their needs for survival an growth.
The mitochondria and the chloroplast provides evidence for the endosymbiotic theory.
In conclusion the endosymbiotic theory describes how eukaryotic cells arose from simple prokaryotic cells.
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Answer:
<h2>Postsynaptic </h2>
Explanation:
Acetylcholine receptor is a kind of integral membrane protein that has a very important role in the binding of neurotransmitters such as acetylcholine and some other. Generally, these receptors are present on the postsynaptic cells to receive acetylcholine neurotransmitter to initiate the signal in the neurons cells and some other.
Acetylcholinesterase is a kind of important enzyme that has many important functions in the dissociation of acetylcholine and some other that function as neurotransmitters. This enzyme is also present in the postsynaptic cells.
Answer:
Commensalism
Explanation:
Commensalism is a relationship between species in which one benefits and the other is unaffected. Humans are host to a variety of commensal bacteria in their bodies that do not harm them but rely on them for survival