Mendel observed that dominant traits
a. are only expressed in hybrids.
b. were absent in the F1 generation of pea plants that he used in his experiments.
c. were the only traits seen in the F2 generation of pea plants in his experiments.
d. are expressed in all plants.
e. are seen in all the F1 hybrid pea plants in his experiments.
E
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You have just discovered an organism that lives in extremely cold environments. Which of the following would you predict to be true about the phospholipids in its membranes, compared to phospholipids in the membranes of organisms
that live in warmer environments? A) The membrane phospholipids of cold-adapted organisms will have longer hydrocarbon tails. B) The membrane phospholipids of cold-adapted organisms will have more saturated hydrocarbon tails. C) The membrane phospholipids of cold-adapted organisms will have more unsaturated hydrocarbon tails.
Which of the following is a purine base found in nucleotides?
a. uricil b. steroid c. guanine d. cytosine e. thymine
Characteristics of endotoxins
What will be an ideal response?
T or F? The stiffness of a material can be determined by calculating the slope of the plastic portion of the stress-strain curve.
What will be an ideal response?