All living organisms use DNA as the genetic material

Indicate whether the statement is true or false


TRUE

Biology & Microbiology

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All EXCEPT which of the following is a possible

bottleneck for a population? a. contagious disease b. widespread pesticide application c. habitat loss d. protective endangered species legislation e. persistent drought

Biology & Microbiology

What amount of the fluid removed from the blood is eventually returned to the blood?

a. about 59 percent b. less than 90 percent c. almost 99 percent d. a mere 0.9 percent e. exactly 9 percent

Biology & Microbiology

The first step in testing an hypothesis is to

a. perform an experiment. b. make a prediction. c. test a prediction. d. analyze data. e. report results.

Biology & Microbiology

Phenotype depends on:

a. the effects of the environment. b. genotype. c. the effects of both the environment and genotype. d. natural selection.

Biology & Microbiology