Compare and contrast the life cycles of Ulva and mosses. Include the elements of alternation of generation they share and differences in the forms of the gametes, the two generations and their relative dominance, and protection of the embryo. Test Section: LO2, 12.3 Key Concept: relationship of life cycles of algae and bryophytes Level: Advanced critical thinking
What will be an ideal response?
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Which of the following statements is TRUE concerning mRNA?
A) mRNA has a very short half-life. B) mRNA has complex secondary structure. C) mRNA is catalytic. D) mRNA is the product of translation.
Which of the following is true of an endergonic reaction?
a. Endergonic reactions release energy. b. Endergonic reactions require an energy input. c. Endergonic and exergonic reactions are the same. d. Endergonic reactions happen before exergonic reactions can begin.
An insertion sequence is distinguishable from other mobile genetic elements because ________.
A. it encodes a transposase B. it is composed of DNA C. it is highly complex D. it is smallest
In a Hardy-Weinberg population with two alleles, A and a, that are in equilibrium, the frequency of allele a is 0.2. What is the percentage of the population that is heterozygous for this allele?
a. 0.02 b. 2.0 c. 4.0 d. 16.0 e. 32.0