Compare the rate of DNA replication in prokaryotes and eukaryotes
What will be an ideal response?
Eukaryotic DNA polymerases synthesize DNA at a rate 25 times slower (about 2000 nucleotides per minute) than do prokaryotes.
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When plants are grown in hydroponic culture, their roots are suspended in an aerated solution. Why is the solution aerated? Check all that apply.
_____ Both the light-dependent and the light-independent reactions of photosynthesis require oxygen. _____ Oxygen is necessary for the root cells to produce ATP. _____ Without oxygen, membrane transport in the roots would be impaired. _____ A lack of oxygen would cause the water potential within the roots to decrease. _____ Without oxygen, the xylem would stop flowing. 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 theimportance of oxygen in plants at the molecular in plants? 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 the garden pea, Mendel found that tall (D) plants, green pods (G), and inflated pods (C) were dominant to dwarf (d) plants, yellow pods (g), and constricted pods (c). Determine the chances of producing the offspring D__ G__ cc from a cross of Dd Gg Cc x Dd Gg Cc.
A. 1/16 B. 3/16 C. 3/8 D. 9/64 E. 3/8
Which of the following types of physical mutagens produces thymine dimer mutations?
A. ultraviolet light B. X-rays C. microwave D. gamma rays E. ionizing radiation
Diagrams depicting family relationships and phenotypes for a genetic disorder are
A. Punnett squares. B. pedigree charts. C. bell-shaped curves. D. linkage maps. E. karyotypes.