Which of the following codons is associated with the amino acid phenylalanine?
A) AAA
B) UAG
C) AUG
D) AAC
E) UUU
E) UUU
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One way to improve crop productivity is to modify flowering time. This can allow for multiple growing seasons in one year, and can also increase grain production because a smaller plant has lower resource needs. You are approached by an agricultural company that wants to create an early-flowering transgenic plant. Using your knowledge of Arabidopsis genetics, which genetic modifications would you suggest?
A. Inhibition of the embryonic flower ( EMF) gene or overexpression of the LEAFY (LFY) gene would work. B. Inhibition of the LEAFY (LFY) gene or overexpression of the embryonic flower (emf) gene would work. C. Inhibition of either the embryonic flower (emf) gene or the LEAFY (LFY) gene would work. D. Early flowering is not possible in Arabidopsis, and is not likely to be possible in other plants. 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 EMF and LEAFY genes? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? 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?
Mendel continued some of his experiments into the F2 or F3 generation to _____
A) obtain a larger number of offspring on which to base statistics B) observe whether or not a recessive trait would reappear C) observe whether or not the dominant trait would reappear D) distinguish which alleles were segregating
When a few survivors of an original population give rise to the next generation of individuals, the genetic sample is small, a phenomenon called a(n) ________.
Fill in the blank(s) with the appropriate word(s).
_______________ roots from an existing root originate with pericycle cells in the root's vascular cylinder.
A. Adventitious B. Propagative C. Surface D. Lateral E. Tuberous