How does the body use absorbed fatty acids?
What will be an ideal response?
They are used as an energy source. They are also used to build cell membranes and to make steroid hormones. And finally, they also help with absorption of fat-soluble vitamins.
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Cotton-topped tamarins are small primates with tufts of long white hair on their heads. While studying these creatures, you notice that males with longer hair get more opportunities to mate and father more offspring. To test the hypothesis that having longer hair is adaptive in these males, you should _____.
A) test whether other traits in these males are also adaptive B) look for evidence of hair in ancestors of tamarins C) determine if hair length is heritable D) test whether males with shaved heads are still able to mate
Fast and ____________________ muscle fibers contract rapidly but do not produce sustained contractions, whereas slow and ____________________ muscle fibers contract slowly but can produce energy for long periods of time via aerobic respiration
Fill in the blank(s) with correct word
Which groups contain both unicellular and multicellar members?
A. Bacteria B. Fungi C. Protists D. Animals E. Both B and D F. Both C and D G. Both B and C
In the figure above, a new beneficial allele, B, arises on a chromosome containing the ordered loci A, b, C, D, and E, depicted in the top panel
After reproduction, those chromosomes possessing the B allele increase in frequency. Over time, recombination breaks up the association of the B allele with the A, C, D, and E allele. The first pair of allele combinations to be broken up will be: a. B and A. b. B and C. c. B and D. d. B and E. e. All will break up at an equal rate.