Most likely, which of the following would not be an example of a limiting resource?
a. temperature in a terrestrial habitat
b. mineral content of the soil
c. amount of precipitation
d. salinity in an aquatic habitat
e. growth rate
E
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The plant hormone abscisic acid (ABA) is involved in the regulation of photorespiration. Based on this information, ABA likely plays a role in
A. the opening and closing of stomata. B. the photoelectric effect. C. cyclic photophosphorylation. D. noncyclic photophosphorylation. Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about photo respiration in photosynthesis? What other information is related to the question? Choose Answer Do you have all the information needed to determine what processes ABA regulates in plants? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Loss of function mutations are easier to study in _______ organisms, such as bacteria
A. haploid B. diploid C. triploid
Research has shown that commercial fisheries place selective pressure on fish populations by harvesting mostly the
____ fish, resulting in ____.
a. young; aging populations b. larger; maturity at smaller sizes c. smaller; maturity at larger sizes d. prereproductive; declining birth rates e. postreproductive; no change in population size
DNA sequences called ____ increase the rate of RNA synthesis after initiation of transcription
a. promoters b. TATA boxes c. silencers d. enhancers e. regulators