What is diffusion
What will be an ideal response?
Ans: The movement of particles from an area of high concentration to an area of low concentration.
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Which of the following is/are type(s) of cytopathic effects?
A. Inclusions in the cytoplasm B. Rounding of cells C. Inclusions in the nucleus D. Multinucleated giant cells E. All of the choices are correct.
What is the most probable basis for the evolution of mitochondria and chloroplasts?
a. Bacteria can be taken up by host cells. b. Light is an energy source. c. ATP can carry energy. d. Oxygen is a by-product of photosynthesis. e. Energy can be transformed from one form to another.
When Shakespeare wrote about the world as a stage
and each of us being players, he was unknowingly referring to the biological concept of a. succession. b. the niche. c. different habitats. d. feeding levels. e. interspecific competition.
Ctenophores capture food:
a. with filter feeders. b. using adhesive glue cells that trap prey. c. with stinging hair cells that immobilize small invertebrates. d. by digging through the bottom mud for small invertebrates. e. with a sticky mucus on their tentacles that capture small invertebrates.