A positive effect associated with pesticide usage is

1.killing disease-causing insects.
2.killing some pathogens.
3.increasing food supplies.
4.increasing profits for farmers.
5.all of the choices


5

Biology & Microbiology

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Explain the role of sigma factors in RNA synthesis in Bacteria

What will be an ideal response?

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If a person fluent in ASL were to have a stroke that affected primarily the language center involved in coordinating the production of speech (but not its comprehensibility), what effect with this have on the person's ability to sign? What effect would this have on a person's ability to knit or perform other complex manual tasks?

What will be an ideal response?

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Which of the following is not an adaptation of reptiles for life in a terrestrial habitat?

a. internal fertilization b. an amniotic egg c. better developed lungs d. dry, scaly skin e. vertebrate column

Biology & Microbiology

Saturated fats are saturated with ________

A) carbon B) nitrogen C) hydrogen D) oxygen

Biology & Microbiology