Multiple independent experiments have demonstrated that phytochrome helps trigger seasonal change responses in the plant such as changing color and loosening of leaves. Plants have the ability adapt to seasonal changes in their surroundings. This statement is an example of:
A. a hypothesis
B. an experiment
C. inductive reasoning
D. a theory
E. deductive reasoning
Answer: D
Biology & Microbiology
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The ratio of ________ in DNA is 1:1.
A) guanine to adenine B) adenine to thymine C) cytosine to adenine D) uracil to cytosine
Biology & Microbiology
In the figure above, what is the ratio of
phenotypes in this case?
a. 1: 1:1:1 b. 3:1 c. 6:3:3:1 d. 9:3:3:1 e. 15:1
Biology & Microbiology
Energy is commonly defined as “the capacity to do
work.” This definition is a. incorrect. b. adequate in the physical sciences. c. adequate in the biological sciences. d. no more than a clue to the actual properties of the concept. e. not accepted by most scientists.
Biology & Microbiology
Nitrogen-fixing bacteria remove nitrogen from plants and return it to the soil
Indicate whether the statement is true or false
Biology & Microbiology