Which type of macromolecule is an informational molecule?
A) protein
B) DNA
C) ATP
D) monosaccharide
E) fatty acid
B) DNA
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Why might it be more difficult to prepare a vaccine against noroviruses than against rotaviruses?
A. We haven't been able to culture noroviruses in a lab setting yet. Without a starting culture, we can't create a vaccine. B. Noroviruses are RNA viruses, where rotaviruses are DNA viruses. RNA viruses mutate far more easily than DNA viruses, so we COULD make a vaccine, but it would be rendered useless fairly quickly as the virus mutates. C. We lack a proper culturing method for large-scale production of target cells for norovirus, whereas we have such a system for the target cells of rotaviruses. Without a system to get large numbers of target cells, we can't produce a vaccine. D. Norovirus is much more infectious than rotavirus. As such, it's much harder to work with safety. This makes production of a vaccine too dangerous and unpredictable
Both glycolysis and the citric acid cycle can be regulated by feedback inhibition. Provide two
examples of feedback inhibition.
What will be an ideal response?Which part of the brain is especially important in emotions?
a. Broca's area b. the hippocampus c. the amygdala d. the thalamus e. both b and c
The pathogen that causes Legionnaires'pneumonia also causes a milder infection called Pontiac fever.
a. true b. false