Some bacteria contain a substance called
nitrogenase, nitrogenase catalyzes the chemical
reaction that converts atmospheric nitrogen (n2)
into ammonia (nh3), nitrogenase is an example
of which of the following?
a.
a sugar
b. an enzyme
d. an amino acid
c, a nucleotide

Blood has traveled from the heart to the toes. which describes the next step of the circulation process?

3points hurry! what is the relationship between biotechnology, sharkskin, and disease resistance? bioengineers have developed an artificial sharkskin that does not allow resistant bacteria to grow on it. disease-causing microbes have been genetically modified to keep them from infecting the skins of sharks. scientists have created a device that can be attached to the skins of sharks that dramatically increases their abilities to resist disease. sharkskin produces many chemicals that can be collected and used to create antibiotics.

Nkentucky, intoxicating beverages (beer, whiskey, wine, etc.) are involved to some extent in approximately % of collisions fatal to pedestrians.