The sub-atomic particle with a positive charge is ________.

A. a proton
B. a neutron
C. an ion
D. an isotope
E. an electron


Answer: A

Biology & Microbiology

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The phenomenon of chance events causing the allele frequencies in a population to change unpredictably is known as

____.

a. genetic drift b. gene flow c. deleterious mutations d. nonrandom mating e. natural selection

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In eukaryotic cells, DNA is divided into long segments called ________.

Fill in the blank(s) with the appropriate word(s).

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Many vitamins are important ________ of enzymes

A) protein cofactors B) coenzymes C) allosteric inhibitors D) competitive inhibitors E) activators

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