Which statement is true about nuclear decay?
a nuclear decay rates are affected by the temperature of a sample.
b nuclear decay rates are affected by atmospheric pressure.
c nuclear decay rates are affected by the surface area of a sample.
d nuclear decay rates are constant.
501
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Which of the following statements is true regarding a basic amino acid? a.) the hydrophilic r group of a basic amino acid will be located on the interior of a protein b.) the positively charged r group of a basic amino acid could bind dna c.) the r group of a basic amino acid would only be able to form covalent bonds with other molecules d.) a basic amino acid would be considered both polar and hydrophobic e.) all of the above