Microbiology For Dummies

bacteria, viruses, protozoa, and fungi

allows DNA to be compacted

There are two kinds of DNA-binding proteins: those that are sequence specific and those that are nonspecific

it’s also important to turn on and off the function of a protein (like an enzyme) so that the cell can react quickly to its environment.

Protein synthesis is expensive for the cell,

Cells have genes for many more proteins than they need at a given time

enzyme that breaks down a specific sugar

Gram-negative bacteria

(UAA, UGA, or UAG)

The different combinations of these properties create the many kinds of proteins.