Which of the following would the molecule shown above be called?
a. a protein
b. a lipid
c. a nucleic acid
d. a carbohydrate
e. an amino acid
B
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Nitrifying Archaea such as Nitrosopumilus maritimus use ________ as a sole carbon source and are capable of obtaining sufficient energy by aerobically oxidizing ________
A) CO2 / NO B) sugars / NH3 C) CO2 / NH3 D) organic acids / NO
Which of the following items associated with DNA packaging is the thickest?
a. an H2A histone protein b. a nucleosome c. a DNA double helix d. a solenoid
Walking pneumonia is caused by
a) Legionella pneumophila. b) Chlamydophila pneumoniae. c) Mycoplasma pneumoniae. d) Streptococcus pneumoniae.
The gap between the transmitting and receiving neurons in a chemical synapse is known as the
A) node of Ranvier. B) ion channel. C) gap junction. D) synaptic cleft.