What do malarial parasites, mosquitoes, and humans all have in common?
What will be an ideal response?
membrane-bound organelles
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The cell cycle is shown in this diagram. During which phase is the cytoskeleton dismantled?
a. G1
b. S
c. G2
d. Cytokinesis
The ________ forms the basic unit in ecology
Fill in the blank(s) with correct word
Which statement is NOT true about a protocell?
A. It would have contained DNA as its genetic material. B. It might have been like a coacervate droplet in which a semipermeable boundary allows some materials to be absorbed from the surrounding environment. C. It would have had a lipid and protein membrane forming the outer layer. D. It would have been present before the development of a true cell. E. It would have contained a biochemical pathway for energy metabolism.
Snake behavior in Wisconsin changes throughout the year. For example, a snake is _____
A) less active in winter because the food supply is decreased B) less active in winter because it does not need to avoid predators C) more active in summer because that is the period for mating D) more active in summer because it can gain body heat by conduction