Answer:
C.
Explanation:
It's a single strand of circular DNA found in the central area of the cell, which is not surrounded by a nuclear membrane.
Answer:B
Explanation:provitamin A is preformed vitamin A .. The best source of these are animal sources than plant sources.. Best sources include diary foods,, meat and fish.
In biochemistry, two biopolymers are antiparallel if<span> they run </span>parallel<span> to each other but with opposite alignments. An example is the two complementary strands of a </span>DNA<span>double helix, which run in opposite directions alongside each other.</span>
Answer:
There you go! they explained it better than I could. hopefully that helps you, for more information you could simply look up an article.
Answer:
C. release of neurotransmitters
Explanation:
The action potential is an explosion of electrical activity that is created by a depolarizing current. This means that some event (a stimulus) causes the resting potential to move toward 0 mV. When the depolarization reaches about -55 mV a neuron will fire an action potential.
