The answer is (b.) ATP and calcium
ATP (Adenosine triphosphate) and Calcium participates in the muscle movement. In a muscle contraction, Calcium ions are released to initiate upon the depolarization of the membrane which is induced by nerve impulses. While the ATP is required to the shortening of actin and myosin filament crossbridges.
Answer:
starch is the surplus unit for the glucose made in photosynthesis
cellulose is found in plant walls
then glycogen is the surplus unit used by animals to store glucose
Explanation:
To facilitate that exchange of oxygen and CO2 molecules.
Answer:
a
Explanation:
i AM SURE THAT THIS IS THE ANSWER BECAUSE IF YOU TAKE b AND pUT IT WITH B IT WILL GIVE YOU Bb BUT IF YOU PUT B AND B YOULL GET BB.
Its weaker and the organisms would die off quicker
