Answer:
The answer is option A.
A bacterium is a living cell, but a virus is not.
Hope this helps you
According to my knowledge there are many. Ribosomes, Centrioles, ER. <span>cellular structure is NOT surrounded by at least one membrane.</span>
Homeostasis and transport of molecules
The hypothalamus, a structure deep inside our brain, controls most of the body's metabolic functions and maintain homeostasis.
What is hypothalamus?
The hypothalamus is a small portion of the brain that consists of a number of small nuclei with various functions. One of the most important functions of the hypothalamus is to connect the nervous system to the endocrine system via the pituitary gland. It is located below the thalamus and is part of the limbic system. It forms the ventral part of the diencephalon. All vertebrate brains contain a hypothalamus. In humans, it has the size of an almond.
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