The force that moves material through phloem is provided by:
A) active transport. B) transpiration. C) gravity. D) osmosis.
Answer: D
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Coloration in the peppered moth (Biston betularia) is determined by a single gene with two alleles showing complete dominance. Dark moths are homozygous dominant or heterozygous for the gene, light moths are homozygous recessive. In a sample of 100 moths, you determine that 64 of the moths are dark. According to the Hardy-Weinberg rule, the expected frequency of the dominant allele is ___.
A. 0.4 B. 0.36 C. 0.6 D. 0.64 E. cannot be determined Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about the Hardy-Weinberg principle? How does it relate to the question? Consider Possibilities · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach 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?
In cocker spaniels, black coat color (B) is dominant over red (b), and solid color (S) is dominant over
spotted (s). If Bb Ss were crossed with Bb ss, the chance that a black, solid individual would be produced is a. 3/16. b. 1/3. c. 9/16. d. 3/8. e. 1/16.
Some of the CO2 that is exhaled during breathing is created during
A) the reduction of oxygen in the ETC. B) chemiosmosis. C) glycolysis. D) fermentation. E) the conversion of pyruvate to acetyl CoA.
The phenol coefficient is one of the most widely used measurements of an antimicrobial agent's effectiveness
Indicate whether the statement is true or false