What is the term for atoms that are electrically charged as a result of gaining or losing electrons?
A. ion
B. molecule
C. compound
D. isotope
A. ion
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The name for the disease with edema in the semicircular canals causing hearing loss, ringing in the ears, and vertigo is:
A) Hertz. B) Rinne. C) Meniere. D) Weber.
Which one of the following types of RNAs carries information for making a single type of protein?
A. transfer RNA B. messenger RNA C. small nuclear RNA D. ribosomal RNA E. small interfering RNA
Research on flat-tailed horned lizards demonstrated that natural selection favored lizards that ______.
a. buried themselves faster when startled b. searched for ants hidden under logs c. had longer horns on the rear of the skull d. ran faster when exposed to bright sunlight
Imagine that you have isolated a mysterious liquid from a sample of food. You add the liquid to a beaker of water and shake vigorously. After a few minutes, the water and the other liquid separate into two layers
To which class of biological molecules does the unknown liquid most likely belong? A) Enzymes B) Nucleic acids C) Carbohydrates D) Proteins E) Lipids