If the isotope 32S has 16 protons and 16 neutrons, how many protons, neutrons, and electrons will the isotope 35S have, respectively?
(a) 16, 20, 15
(b) 16, 19, 15
(c) 16, 19, 16
(d) 16, 19, 17
(c)
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The E test is
A. used to measure esculine levels in pasteurized milk. B. a quantitative antibiotic sensitivity test that utilizes plastic strips impregnated with an antibiotic of interest. C. used to quantify levels of IgE antibody in serum samples. D. a rapid serological test used to detect the presence of eastern equine encephalitis virus in cerebrospinal fluid.
In contrast to regulators, animals that are conformers
A. are able to alter their immediate external surroundings in order to maintain homeostasis. B. require large stores of ATP to maintain homeostasis. C. have an internal body composition that varies along with external changes. D. cannot live in extremely cold environments, such as the Antarctic Ocean. E. cannot adapt to the external environment.
When one atom loses an electron to another atom, it results in the formation of
A. a polar covalent bond and a new molecule. B. cations and anions that can form ionic bonds. C. a covalent bond between the two. D. many hydrogen bonds. E. a nonpolar covalent bond that is difficult to break.
An ion having eleven protons, twelve neutrons, and ten electrons will have a charge of
A. +. B. -. C. ++. D. --.