Compared to uric acid, using urea as the main form of nitrogenous waste requires
a. more energy and water.
b. less energy and water.
c. more energy and less water.
d. the same amount of energy and water.
e. less energy and more water.
E
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Organisms that have their optimum growth pH between 5.5 and 8.0 are called ________.
Fill in the blank(s) with the appropriate word(s).
All, EXCEPT which of the following, are
present in both the light-dependent and lightindependent reactions? a. ATP b. NADPH c. ADP d. rubisco e. NADP+
All animals are
a. multicellular, heterotrophic, and diploid. b. multicellular, heterotrophic, and haploid. c. multicellular, autotrophic, and diploid. d. multicellular, autotrophic, and haploid. e. unicellular, autotrophic, and haploid.
The fact that plants can be cloned from somatic cells demonstrates that _____
A) differentiated cells retain all the genes of the zygote B) genes are lost during differentiation C) the differentiated state is normally very unstable D) differentiation does not occur in plants