For each animal cell that begins oogenesis, the number of ova produced is four
__________________ Indicate whether the statement is true or false.
F, one
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The part of a membrane protein that extends through the phospholipid bilayer is primarily composed of amino acids that are
A. highly polar. B. negatively charged. C. non-polar. D. positively charged. E. water soluble.
. A sample must contain many microorganisms in order to see any using microscopy techniques. Why?
A. The area on a microscope slide is very large compared to the relative size of microbes, and you take a very small amount of your sample to place on the slide surface. Therefore, you must have a large number of microbes initially in the culture to increase the chances that you'll come across one or more when looking at the slide surface through the magnifying lenses of the microscope. B. Bacteria are very small, of course. If you don't have a LOT of them, how are you going to see them? C. This is false-microscopy allows us to magnify a specimen to the point where we would be able to visualize even just a few microbes on the surface of the slide. As such, even if there are only a few microbes in a sample, we could easily visualize them with a microscope. D. Microscopes only magnify what's on the slide. If you don't have a lot of microbes on the slide surface, you can't magnify the specimen enough to see them as individual cells.
When water potential of a substance is negative
What will be an ideal response?
Which part of the nephron contains podocytes?
A. descending limb of loop B. glomerular capsule C. proximal convoluted tubule D. distal convoluted tubule E. ascending limb of loop