The microorganisms that do not have a nucleus in their cells are called
A. pathogens.
B. eukaryotes.
C. prokaryotes.
D. fermenters.
E. decomposers.
Answer: C
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The hormone that helps us respond to low oxygen levels by promoting an increase in red blood cell counts is
A. erythropoietin. B. hemopoeitin. C. renin-angiotensin. D. adrenocorticotropin. E. estradiol.
Which of the three atomic particles are charged?
a. electrons and protons b. neutrons only c. protons and neutrons d. electrons only e. protons, neutrons, and electrons
Which of the following are ways resistance can be acquired by microorganisms?
A) Successful gene mutation B) Acquisition of genes from other organisms via gene transfer mechanisms C) A combination of mutational and gene transfer events D) All of the above
If a patient's ability to create the bilayer that surrounds the cells has been disrupted, the processes likely to be affected would be
A. collecting fatty acids and making lipids. B. controlling the gradients of Na+. C. dividing work between different cell types. D. holding proteins that aid active transportation. E. packing proteins into vesicles for exocytosis.