The photoreceptors that allow for an individual's black-and-white vision are known as ________
Fill in the blank(s) with correct word
rods
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The total magnification achieved in the laboratory when using the high-power (high-dry) objective of the compound light microscope is:
A) 40×. B) 100×. C) 400×. D) 1,000×.
Phagocytosis leads to destruction of engulfed pathogens by which of the following mechanisms?
A. Complement fixation B. Lysosomal-mediated hydrolysis C. Production of bacteriocins D. All of the choices are correct.
The function of which of the following organelles directly requires oxygen?
A. Ribosome B. Mitochondrion C. Nucleus D. Centriole E. Golgi apparatus
A chemist adds a chemical to pure water and there is a 100-fold increase in the concentration of hydrogen ions. What is the best approximation of the new pH value?
A. 9 B. 0 C. 7 D. 5 E. 14