Mitochondria is the powerhouse of the cell. Only thing I remember from middle school science
Answer:
C, there is genetic variation within the population
Explanation:
Ribosomes synthesize proteins
Carbohydrates. Sugar is the simplest from of carbohydrates.
Answer:
(a) can be used to bend epithelial sheets into tubes.
Explanation:
The adherens junctions are cell-cell adhesions localized in places exposed to abrasion or mechanical stress, close to the apical membrane in epithelial cells is one of these locations. Some of their functions are the initiation and stabilization of cell-cell adhesion, <em>they join the actin cytoskeleton to the plasma membrane to form adhesive contacts between cells that contribute to the folding and bending of epithelial sheets,</em> therefore they can mediate adhesion and signaling.
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