Which type of macromolecule is an informational molecule?

A) protein
B) DNA
C) ATP
D) monosaccharide
E) fatty acid


B) DNA

Biology & Microbiology

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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

Biology & Microbiology

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

Biology & Microbiology

The pathogen that causes Legionnaires'pneumonia also causes a milder infection called Pontiac fever.

a. true b. false

Biology & Microbiology

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?

Biology & Microbiology