The organelle responsible for harvesting light as an energy source for photosynthesis is the

A. kinetoplast.
B. mitochondrion.
C. centriole.
D. chloroplast.


Answer: D

Biology & Microbiology

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Which of the following represent(s) the way(s) in which enveloped viruses acquire their envelopes?

A. Viral enzymes are responsible for production of the envelope. B. Depending on the virus, budding may be either through the plasma membrane or internal cellular membranes.  C. Budding through internal cellular membranes. D. Budding through the plasma membrane.

Biology & Microbiology

All of the following apply to the deep sea except:

a. temperatures vary greatly in deep waters. b. pressures are very high. c. light is dim or nonexistent. d. the water is extremely cold.

Biology & Microbiology

Which of the following is NOT the description

of a human disease caused by roundworms?

a. lymph vessels permanently destroyed causing elephant-like legs b. causal agent lives in rectum; females lay eggs in skin around the anus c. infection results from eating uncooked pork d. intestinal blockage disease affecting more than a billion people e. all of these are human diseases caused by roundworms

Biology & Microbiology

A crayfish is a member of the phylum

A) Echinodermata. B) Mollusca. C) Annelida. D) Platyhelminthes. E) Arthropoda.

Biology & Microbiology