A human egg is approximately 100 µm in size. What is this equal to?
a. 10.0 mm
b. 0.10 mm
c. 0.010 mm
d. 0.0010 mm
Ans: b. 0.10 mm
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Answer the following statement(s) true (T) or false (F)
1. The pneumonia caused by the influenza virus results from the accumulation of fluid and cell debris in the lungs. This occurs during the lysogenic life cycle of the virus. 2. Bacteria typically use binary fission, but under special circumstances sexual reproduction is possible via horizontal gene transfer. 3. Drupes have multiple seeds and fused carpels. 4. Germination inhibitors that must be digested by acids in order to be removed help to ensure the seed will be dispersed with some fertilizer. 5. As the endosperm matures it swells and eventually becomes the fruit.
Where does the mass of the tree come from?
A. Soil B. Sunlight C. Air D. Water
If two populations of a species show significant structural differences, it is likely that
A. there is little sexual reproduction between populations. B. they are reproductively isolated. C. each is specifically adapted to a certain environmental situation. D. All of the choices are correct.
Please identify the pattern of mutation and resistance that supported Luria and Delbrück's conclusion
a. pattern A c. neither pattern b. pattern B d. both patterns