If we are analyzing the origin of new families, orders, etc. over time, we are studying

a. microevolution
b. mutation
c. macroevolution
d. natural selection
e. anagenesis


C

Biology & Microbiology

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Trypanosomiasis is spread by 

A. mosquitoes. B. airborne droplets. C. tsetse flies. D. fleas on rats. E. contaminated water.

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The main center for homeostatic control of the

internal environment is the a. pineal gland. b. medulla oblongata. c. hypothalamus. d. thalamus. e. cerebrum

Biology & Microbiology

Imagine that Aperture Laboratories produces a toxin, which degrades all tRNAs present in a cell. Which of the following processes would be directly inhibited by this toxin?

A. Transcription B. Translation C. DNA replication D. None of the above

Biology & Microbiology

If you found an old refrigerator that still works, it would probably have this type of compound as a refrigerant.

A) Skin cancer B) Carbon footprint C) Age structure D) Emigration E) Desertification F) Chlorofluorocarbon G) Ozone H) Carrying capacity I) Density-dependent J) Death rate

Biology & Microbiology