Which type of tropism will cause a plant to orient part of its body in order to maximize exposure to blue light?
a. Phototropism
b. Gravitropism
c. None of these choices
d. Thigmotropism
e. Solar tracking
a
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An experimenter has altered the end of the tRNA corresponding to the amino acid methionine in such a way as to remove the bases AC. Which of the following hypotheses describes the most likely result?
A) tRNA will not form a cloverleaf. B) The amino acid methionine will not become covalently bound. C) The anticodon will not bind with the mRNA codon. D) The aminoacyl-tRNA synthetase will not be formed.
Populations that occupy ____ inevitably experience low carrying capacities
a. ecotones b. endangered habitats c. small habitat patches
d. large habitat patches e. small ecological niches
__________ is mostly water in which diverse ions and molecules are dissolved. Fill in the blank(s) with the appropriate word(s)
Contraction of the diaphragm allows for expiration
a. true b. false