Trypanosomiasis is spread by
A. contaminated water.
B. fleas on rats.
C. tsetse flies.
D. mosquitoes.
E. airborne droplets.
Answer: C
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Energy released by the electron transport chain is used to pump H+ ions into which location?
A. cytosol B. mitochondrial matrix C. mitochondrial inner membrane D. mitochondrial outer membrane E. mitochondrial intermembrane space
Archaeal cell walls
A. are disrupted by treatment with lysozyme or penicillin. B. include orthomureine. C. are similar to those of gram-negative bacteria. D. lack murein and D-amino acids.
Which of the following is the correct sequence for an altered protein that is secreted from the cell?
a. Golgi apparatus - ribosome - plasma membrane b. rough endoplasmic reticulum - Golgi apparatus - plasma membrane c. nucleus - smooth endoplasmic reticulum - Golgi apparatus d. smooth endoplasmic reticulum - plasma membrane - Golgi apparatus - ribosome e. Golgi apparatus - smooth endoplasmic reticulum - plasma membrane
The hypodermis is composed of ____.
A. adipose and nervous tissues B. connective and adipose tissues C. blood and lymphatic vessels D. hair follicles and sweat glands E. sebaceous and sweat glands