A student was studying a microorganism using a bright-field microscope. She was unable to resolve the microorganism on her first attempt. Based on the facts learned in class, what would you recommend the student do to increase resolution?

a. increase the amount of light
b. use a lens with higher numerical aperture
c. use anger wavelength light
d. use a lens with lower numerical aperture


Answer: b. use a lens with higher numerical aperture

Biology & Microbiology

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Fatty acids that contain no carbon-carbon double bonds are referred to as ____

Some help with this, please?

Biology & Microbiology

Your general practitioner considers your unusual set of symptoms, and says, "You seem to have a problem with maintaining homeostasis in your body." Which type of specialist might the doctor refer you to? (Check two.)  

_____  hematologist _____  endocrinologist _____  neurologist _____  osteologist _____  opthamologist _____  obstetrician-gynecologist Clarify Question What is the key concept addressed by the question? What type of thinking is required?   Gather Content What do you already know about homeostasis? What other information is related to the question?   Choose Answer Given what you now know, what information 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?  

Biology & Microbiology

The chromosomes are aligned midway between the

spindle poles at a. anaphase. b. metaphase. c. interphase. d. prophase. e. telophase.

Biology & Microbiology

In Drosophila and Lepidoptera, sex-chromosome mosaicism produces what type of sexually ambiguous phenotype?

What will be an ideal response?

Biology & Microbiology