A taproot system originates from an enlarging:a
adventitious root.
b. lateral root.
c. root cap.
d. root hair.
e. radicle.
E
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Under what condition is the AraC protein an activator?
A) The AraC protein is an activator when it is bound to glucose. B) The AraC protein is an activator when it is bound to lactose. C) The AraC protein is an activator when it is bound to arabinose. D) The AraC protein is an activator when it is bound to cyclic AMP. E) The AraC protein is an activator when it is bound to any sugar molecule.
Humans have selectively bred many radically different domestic animals (e.g., St. Bernard and Chihuahua dog breeds). Does this activity result in evolution? Why or why not?
What will be an ideal response?
Whales, dolphins, and porpoises all belong to the order:
a. Sirenia. b. Cetacea. c. Carnivora. d. Pinnipedia. e. Fissipedia.
Some regions of chromosomes remain highly condensed, tightly coiled, and untranscribed throughout the cell cycle. These regions are referred to as
A. noncoding DNA. B. single sequence repeats. C. constitutive heterchromatin. D. short interspersed elements. E. transposable elements.