The answer is B, because only plants have chloroplasts (which they use for photosynthesis) and cell walls (which protects and supports the plant cell)
Answer:
Dopamine, like caffeine, increases the heart rate of Daphnia in a dose-dependent manner. Dopamine's effects on Daphnia's heart has not been reported previously. ... Caffeine showed a similar effect on Daphnia's heart rate at a 10-times lower concentration than dopamine (28.5% increase at 0.08 mg/ml, Figure 2).
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Actin filaments are found in cells that form cytoskeletal structures. These are generally present below the plasma membrane.
Amoebae move by crawling over a surface (cell crawling), which involves GROWTH OF ACTIN FILAMENTS TO FORM PSEUDOPODIA. Pseudopodium is a bulge in the plasma membrane towards the direction of movement.
Answer: Bacteria are much larger than viruses, and they are too large to be taken up by receptor-mediated endocytosis. Instead, they enter host cells through phagocytosis. Some pathogens, however, have acquired the ability to survive and replicate within macrophages after they have been phagocytosed.
Explanation: This is my answer
