Vaccinations are given to humans to minimize the spread of ALL of the following diseases EXCEPT

a. brucellosis.
b. diphtheria.
c. tetanus.
d. whooping cough.


Answer: A

Biology & Microbiology

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Some biologists argue that transposable elements provide benefits to a given species. Which of the following does not describe a potential benefit offered by transposable elements?

A. Increases genetic variation. B. Inserts into functionally important genes. C. Codes for a gene that confers antibiotic resistance. D. Codes for a gene that increases survival.

Biology & Microbiology

Humus often enhances the water and nutrient-retaining properties of topsoil. Which of the following might increase the humus content of a soil? Check all that apply.  

_____  mushroom compost _____  leaf litter _____  ground limestone _____  phosphate fertilizer _____  fish meal 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 humus? 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?  

Biology & Microbiology

How does ATP release energy that can be used by living cells?

A) By being exposed to body heat B) By breaking a bond within an ATP molecule C) By being exposed to sunlight D) By adding more phosphate groups to itself

Biology & Microbiology

The passageways in the nuclear envelope for movement of substances to and from the nucleus and cytoplasm are called nuclear ________.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology