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a) What is the limit of resolution when using the 40X objective(numerical aperture: 0.65) on the lab's microscopes, in nmand in µm, if you are using light with a wavelength of 550nm? The conversion factor of microscope of 40X is 25μm per oneocular unit.
b)Would you be able to resolve an object that is 0.6 µm indiameter with this 40X objective? Explain your answer.
Social media strategy implementation and evaluation
A particular Drosophila female that is wild-type in appearance is known to be heterozygous for the three recessive mutations black body (b), curved wings (c) and purple eyes (p).
In muscle phosphorylase, binding of ATP makes the protein tendto be in the T state, while binding of AMP makes the protein tendto be in the R state.
Based on their respective oxygen requirements, in which regions of the thioglycollate tubes do you expect to see growth of Microccocus luteus, Proteus vulgaris, and Clostridium perfringens?
A newspaper headline reported Algal Bloom Kills Fish. As you read, you find that the algae did not produce toxins. Describe what actually caused fish death, given that the algae are not toxic?
Some evolutionary biologists have argued that the neutral theory should be taken as the null hypothesis to explain genetic variation within species or populations and genetic differences among them.
Explain the directed mutation hypothesis (1). Describe an experiment that has tested this hypothesis (2). What was the outcome of this experiment (1)? What did this experiment teach us about how mutation and natural selection interact during evolu..
How could production of a packetlike spermatophore contribute to the evolutionary success of leeches in their environment?
Glucose oxidase is an enzyme that can be used for measurements of glucose levels by combining this reaction with an oxygen probe.
In 2010, under its WaterSense program, EPA began promoting showerheads that produce still-lower flows of two gallon every minute.
A fracture of the temporal bone results in an inability to smile (lift the corner of the mouth on one side). Which cranial nerve was likely affected?
What parts of the autonomic nervous system control heart rate and what effect does each have on it. What parts of the heart contract as the wave passes them and in what order.
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