Most likely, about 10 percent of all species go extinct every million years

Indicate whether the statement is true or false.


T

Biology & Microbiology

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____ is the process by which water removes and carries away soil nutrients

a. Erosion b. Diffusion c. Leaching d. Water dilution effect e. Absorption

Biology & Microbiology

If two genes are not linked, then the expected phenotypic ratio resulting from a testcross is

A) 9:3:3:1. B) 1:2:1. C) 3:1. D) 1:1:1:1. E) 1:1.

Biology & Microbiology

In commercial food manufacturing, what is the purpose of hydrogenation?

A) to make an unsaturated fat more saturated B) to reduce the amount of "empty calories" in a carbohydrate C) to convert fatty acids into amino acids D) to convert vitamins into minerals

Biology & Microbiology

The atomic number of nitrogen is 7. Nitrogen-15 has a greater mass number than nitrogen-14 because the atomic nucleus of nitrogen-15 contains _____

A) 7 neutrons B) 8 neutrons C) 8 protons D) 15 protons

Biology & Microbiology