Mechanical digestion is the breaking down of food into smaller pieces physically. Mechanical digestion begins in the mouth as the food is chewed.
but in the case of chemical digestion, it breaks the food into simpler nutrients that can be used by the cells. Chemical digestion begins in the mouth when food mixes with saliva.
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Answer:
The elongation of the cell takes place in telophase, and due to elongation of the microtubules, the organelles and the cytoplasm get ready to move in a new cell formed by the process of cytokinesis.
a. The given statement is false, as the force of contraction is produced by microtubule and actin bundles that produce the contractile ring.
b. The given statement is true, as, with the constriction of the contractile ring, the thickness also increases so that the volume remains the same.
c. The given statement is false, as the midbody gets generated from bipolar microtubule array.
d. The given statement is false, as local activation of Rho GTPase stimulates the alignment and contraction of the contractile ring.
The Calvin cycle begins a incorporation of carbon dioxide from the air to organic molecules already present in the chloroplast (known as carbon fixation) chemical energy is supplied by atp and nadph provides electrons
Answer=ATP
(Chemical energy)
Answer: the resilience of the pond ecosystem to different types of changes
Explanation: