DNA in prokaryotes is found in ____
a. the nucleoid only
b. the nucleolus only
c. plasmids only
d. the nucleoid and plasmids
e. the nucleolus and plasmids
ANSWER: d
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Which is an example of temporal isolation?
A. one plant species blooms in June-July and a second plant species blooms in August-September. B. one plant species is pollinated by bees and a second plant species is pollinated by moths. C. two plant species live on the same mountainside, but one lives on rocky outcrops and the other in open meadows. D. two plant species have incompatible gametes. 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 temporal isolation? 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?
The N terminal in a protein
A. is the end characterized by a free carboxyl group. B. is the end characterized by a free amino group. C. is typically found in the middle of a protein. D. refers to that area of a protein that is bound to another protein.
The operator of the lactose operon in E. coli is located:a
between the promoter and the TATA box. b. upstream of the promoter. c. between the promoter and the structural genes. d. among the structural genes. e. anywhere on the chromosome
Which government agency serves as the ultimate storehouse for statistical data related to infectious disease?
A) Food and Drug Administration B) Centers for Disease Control and Prevention C) Census Bureau D) Federal Bureau of Investigation