Answer:
the pith
Explanation:
it stores nutirents in its cells and is in the center of a stem
Answer:
Medulla
Explanation:
The medulla is responsible for our involuntary actions, one of which is our heart rate.
Involuntary action means we do not intentionally do it ourselves; it is one of our unconscious processes, such as breathing.
Adenosine triphosphate <span>(ATP)
is the energy source for muscle contraction. Myosin is a motor protein that
interacts with actin filaments. When ATP is available, it binds to myosin and
is being hydrolyzed resulting in the conformational changes in myosin. This
leads to the movement of myosin relative to actin filaments.</span>
Answer:
Yes they are
Explanation:
Prokaryotes are organisms without a cell nucleus, or indeed any other membrane-bound organelles, in most cases unicellular