A hydrogen atom that has become an ion is
a. a negatively charged ion.
b. an isotope.
c. unstable.
d. a proton.
e. an electron
D
Biology & Microbiology
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Peat bogs primarily consist of _____
a. chytrids b. ferns c. liverworts d. hornworts e. mosses
Biology & Microbiology
The sixth amino acid in normal hemoglobin is
glutamate, but it is replaced by __________ in sickle-cell anemia. a. histidine b. proline c. leucine d. valine e. threonine
Biology & Microbiology
Which of the following is a pigment used to alter the color of salmon?
A) Green fluorescent protein B) Astaxanthin C) Auxin D) AFP E) Hydroxyapatite
Biology & Microbiology
The interplay of multiple excitatory and inhibitory inputs most affects what part of a neuron?
A) The axon B) Dendrites C) The neuron's cytoskeleton D) Axon hillock E) The nucleus
Biology & Microbiology