Provided that there's no diagram, most molecules have particular areas on the molecules, called the "active area" that act as a lock to a particular substrate's molecular structure, providing the key.
An enzyme's active area is only able to be "unlocked" by a certain substrate's "key".
<span>Answer:The blood vessels in the brain are blocked.
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Vascular neurocognitive disorder
is a condition caused by reduction or blockage of the brain’s blood supply. Because of the lack of blood, a certain region of the brain was damaged, changing a person’s
brain functions.
Universal genetic code relate to the hypotheses about the origin of life on Earth <span>beacause of the RNA world hypoygeses. If RNA could self replicate then it could be a predecessor to how cell pass on their genetic materia today.</span>
D) the presence of a true nucleus
"Specialized cells" is your answer !!!
