Monocots' lack of vascular cambium is due to an evolutionary reversal
A. true
B. false
A
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In an enveloped virus, the part of the virus including the nucleic acid genome and the surrounding protein coat but not the envelope is called the
A. capsid. B. matrix. C. virion. D. nucleocapsid.
As part of aerobic respiration, O2 is reduced and loses electrons, and glucose (C6H12O6) is oxidized and gains electrons
A. true B. false
Experiments are carried out to test a hypothesis by changing one variable at a time and including an unchanged variable termed a(n) _____.
A. experimental variable B. altered variable C. control D. stable variable
What is the function of cAMP in regulation of the lac operon?
A. It causes attenuation. B. It activates an activator protein. C. It inactivates a repressor protein. D. It activates a repressor protein. E. It inactivates an activator protein.