20 is the Number of Neutrons of potassium.
Answer:
Cytoplasm
Explanation:
Cytoplasm is kind of like cell blood. Cell membrane is cell skin, I've legit never heard of a cell skeleton in my life and centrioles are RNA processors.
None of them.
I'm assuming that you left off an option. a prokaryotic cell is a single-celled organism, generally a bacteria. an example would be e-coli.
Symbiosis is the ecological relationship between two or more organisms living closely together with some form of feeding relationship involved. The three main symbiotic relationships are: - Mutualism, where both organisms benefit. - Commensalism, where one organism benefits while the other organism is not harmed. All of them thrive off of the other organism.
The answer is cholesterol
