What organism is most likely to use energy to transform atmospheric nitrogen into a more usable form? A. humans
B. soybeans
C. paramecia
D. earthworms

Directions: read the descriptions of the four islands presented in the lesson. 1. list two new traits that each new species of rat might demonstrate as it adapts to the conditions on each island. 2. introduce one of the four new rat species to another island and describe one challenge it would encounter and one success as it adapts to its new environment.

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons

Omg substrates with the same size and shape as the active site will bind to the enzyme. why is the key labeled the “bad” substrate?