What is the pH of pure water?

A) 5
B) 6
C) 7
D) 8


C) 7

Biology & Microbiology

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A mechanism of gene regulation that controls the amount of mRNA available for translation is called ____________________

Fill in the blank(s) with correct word

Biology & Microbiology

The purpose of employing CPR to a person

who has sudden cardiac arrest is to

a. restart their heart. b. ensure an oxygen supply to their brain. c. keep their lungs inflated. d. restart their heart and ensure an oxygen supply to their brain. e. restart their heart and keep their lungs inflated

Biology & Microbiology

What happens when pollen from one species lands on the stigma of a flower from another species?

a. The pollen tube typically forms and grows to the ovary, but then stops. b. The pollen tube typically forms, but the sperm are killed. c. The pollen tube typically does not develop. d. The pollen tube typically forms, but the sperm cannot penetrate the egg.

Biology & Microbiology

Which of the following biogeochemical cycles contain a mineral component?

A. oxygen B. phosphorus C. nitrogen D. carbon E. water

Biology & Microbiology