Short chain proteins and _______________ are the end products of protein digestion that can be taken up by the absorptive cells of the small intestine.
Fill in the blank(s) with the appropriate word(s).
amino acids
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You have decided to repeat Palade’s experiments on the endomembrane system. You think you’ve done everything correctly, but when you observe your final sample under the microscope, you find that the entire endomembrane system contains tiny black dots. When you look at later timepoints you see the same thing. What part of the experiment did you forget?
A. You forgot to add radioactive amino acids. B. You forgot to add osmium tetraoxide. C. You forgot to add nonradioactive amino acids. D. You forgot to add the silver-containing emulsion. E. You didn’t forget anything, this is what the experiment is supposed to look like.
In human populations, inbreeding results in
A) fewer heterozygotes and more homozygotes. B) more heterozygotes and fewer homozygotes. C) about equal numbers of homozygotes and heterozygotes. D) only heterozygotes.
A metabolic reaction will most likely reverse itself when the ____
a. pH is too high b. temperature is too low c. reactant concentration is too high d. product concentration is too high e. enzyme concentration is too high
One group of fruit flies reproduces in August and one group reproduces in September. Which of the following
mechanisms is preventing them from cross breeding? a. sexual isolation b. diurnal isolation c. gametic isolation d. temporal isolation e. mechanical isolation