Magnesium chloride is a salt formed with ionic bonds between one magnesium ion and two chloride ions. Magnesium has two electrons in its outer shell and chlorine has seven electrons in its outer shell. How are the electrons transferred between these atoms?
A. Chlorine is oxidized and magnesium is reduced.
B. Both magnesium and chlorine are oxidized.
C. Both magnesium and chlorine are reduced.
D. Magnesium is oxidized and chlorine is reduced.
D
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Use the following information to answer the following question(s): You wake up one morning feeling slightly under the weather. A close family member enthusiastically suggests that you take some Echinacea, an herb commonly used as a cold remedy. You then decide to design an experiment to test Echinacea and see if this claim is true. You think, "If taken at the beginning of a cold, Echinacea will reduce cold symptoms."Your statement, "If taken at the beginning of a cold, Echinacea will reduce cold symptoms," is called a(n) ________.
A. observation B. theory C. conclusion D. hypothesis
During translation, translocation refers to
A. releasing a tRNA molecule from the ribosome. B. joining an amino acid to a tRNA molecule. C. joining an amino acid to the next amino acid in the chain. D. joining a tRNA molecule to the ribosome. E. moving the ribosome along the mRNA molecule.
The first group with flowers are the
a. algae. b. fern allies. c. ferns. d. angiosperms. e. gymnosperms.
Frameshift mutations include nucleotide substitutions. Indicate whether the statement is true or false