Control of certain diseases is nearly impossible, because we cannot

A) control vector animals.
B) control reservoir animals.
C) eradicate organisms from the soil.
D) control vector and reservoir animals or eradicate organisms from the soil.


Answer: D

Biology & Microbiology

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The enzyme beta-galactosidase acts on lactose to form galactose. In turn, the presence of galactose leads to expression of the enzymes responsible for the metabolism of galactose. In this case, lactose is serving as a carbon source and as a(n)  

A.  inducer. B.  repressor. C.  DNA-binding protein. D.  operon. 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 prokaryotic transcriptional regulation? Consider Possibilities · Consider the different answer options. Which can you rule out? 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?

Biology & Microbiology

The World Trade Organization (WTO), established in 1995, has which of the following as an objective?

a. support free trade b. eliminate trade subsidies c. establish binding rules to ensure fairness in trade d. All of these.

Biology & Microbiology

Cartilage functions well as a cushioning structure because it is composed primarily of collagen fibers in a ground substance with a lot of water

Indicate whether the statement is true or false

Biology & Microbiology

During the splicing reaction, the intron-exon junctions are recognized by

A. miRNAs. B. the lariat. C. the branch point. D. snRNPs. E. SRP RNAs.

Biology & Microbiology