The burning of fossil fuels produces significant amounts of

A) sulfate.
B) sulfite.
C) sulfonate.
D) sulfur dioxide.


Answer: D

Biology & Microbiology

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Biomass generation due to heterotrophic organisms is called ________ production

A) primary B) secondary C) auxotrophic D) regulatory

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Unlike rocky beaches, sandy beaches have vertical zonation of organisms that live in the sediment

Indicate whether the statement is true or false

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If the DNA nucleotides read

ATG?CGT?GAC, the amino acid sequence of the resulting polypeptide would be a. tyrosine ? alanine ? leucine. b. methionine ? arginine ? asparagines. c. histidine ? glycine ? praline. d. serine ? lysine ? glycine. e. all of these.

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An autotriploid may arise when three sperm cells are involved in fertilization of a single egg

Indicate whether the statement is true or false

Biology & Microbiology