African sleeping sickness is caused by Trypanosoma brucei, a unicellular flagellated protist that infects red blood cells after being injected into the bloodstream. Trypanosoma brucei is which of the following?
A. a diatom
B. an alga
C. a protozoan
D. a slime mold
E. an apicomplexan
C. a protozoan
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Alcohol consumption adversely affects the synthesis of molecules involved in protein degradation, which can eventually lead to liver damage. Given this information, which organelle in liver cells is most directly affected by alcohol consumption?
A. Golgi apparatus B. Nucleus C. Lysosome D. Rough endoplasmic reticulum Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you know about where lysosome proteins are made? How does it relate to the question? Consider Possibilities · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Heme prosthetic groups are involved in electron transfer with quinones
Indicate whether the statement is true or false.
____ help(s) unfolded or misfolded proteins achieve their proper three-dimensional conformation
A) ribonuclease B) molecular chaperones C) endoplasmic reticulum D) ribosomes
Which cells are alive at maturity?
A. Sieve elements B. Vessel elements C. Tracheids D. Vessel elements and tracheids E. Sieve elements and vessel elements