Increasing the cell's volume would reduce the efficiency of the diffusion of materials through the plasma membrane into the cytoplasm of the cell.
On the other hand, increase the surface area and decreasing the volume oft the cell would increase the rate of diffusion across the plasma membrane.
Answer:
is d. The bacteria have high genetic variability and high reproductive rates.
Explanation:
Answer is a. he projections are trichocysts, released for the self-defense of the <em>Paramecium</em>.
When <em>Paramecium</em> is stimulated by chemicals such as picric acid or an injurious enemy, it responds by throwing out transparent spine-like projections called trichocysts. The discharge of trichocysts forms an effective barrier round the animal and protects it from acid or enemy.
