While focusing on a microscope on high power, a student crushed the coverslip. The student probably

a. shut the light off
b. turned up the light intensity
c. rotated the eyepiece
d. used the coarse adjustment


Ans: d. used the coarse adjustment

Biology & Microbiology

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Increased rate of photosynthesis is the most likely explanation as to why atmospheric CO2 levels appear lowest during glacial periods of Earth's history

A. true B. false

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Macromolecules are synthesized by a series of steps. Monomers are systematically added to the growing polymer. From what you have learned about the synthesis of macromolecules, can you suggest why people who are trying to lose weight are asked to drink plenty of water?

What will be an ideal response?

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Chile's Atacama Desert is used as a model and testing ground for exploration of Mars because ________

a. the ozone layer is functionally absent in both places b. both environments may support bacterial life under the surface of the soil c. temperatures in both environments are quite similar d. neither environment is believed to support life

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The building block of large carbohydrates is ____

a. amino acids b. glycerol c. polysaccharide d. glucose e. glycogen

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