Acids are compounds that:
a. can bind hydrogen ions.
b. can release hydrogen ions.
c. are pH 8 or above.
d. contain hydrogen and hydroxide ions equal in number.
e. raise pH.
B
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The Ames test to determine the ability of chemicals to cause mutations uses which bacteria?
1.Salmonella 2.Shigella 3.Staphylococcus 4.Streptococcus 5.Escherichia
Quorum Quenching
What will be an ideal response?
Stanley Miller's experiments were significant because he demonstrated that _____.
A. the behavior of any molecule containing a carbon atom was fundamentally the same B. under certain circumstances the theory of vitalism was valid C. a variety of simple organic compounds could be spontaneously synthesized from components in Earth's primitive atmosphere D. lightning discharges could produce the molecules previously presumed to have originated in volcanic outgassings E. urea could be synthesized from entirely naturally occurring salts
Choose the proper item below for the following statements.
A. He/she created a laboratory-produced protocell consisting of a fatty acid membrane enclosing a clay particle that has RNA bound to its surface. B. He/she conducted the first primitive atmosphere simulation experiment. C. D. E.