John Tyndall demonstrated that microorganisms present in the air are carried on dust particles.

Answer the following statement true (T) or false (F)


True

Biology & Microbiology

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The substitution of one base pair for another in double-stranded DNA is called a(n):

A. silent mutation. B. risk factor. C. allele. D. heterozygote advantage. E. point mutation.

Biology & Microbiology

Polyploid individuals arising from chromosome duplications within a single species are called ____

a. allopolyploids b. tetraploids c. triploids d. autopolyploids e. hexaploids

Biology & Microbiology

Carbon enters the atmosphere through all of the following sources EXCEPT ____

a. cell respiration

b. volcanic eruptions c. burning of fossil fuels d. wind erosion e. fire

Biology & Microbiology

A major function of magnesium in plants is to be _____

A) required to regenerate phosphoenolpyruvate in C4 and CAM plants B) a component of DNA and RNA C) a component of chlorophyll D) active in amino acid formation

Biology & Microbiology