Why is water pollution a concern if water is continuously cycled through earth’s systems?

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

1. an enzyme is considered a(n) because it speeds up a chemical reaction without being used up.2. in a catalyzed reaction, a reactant is often called a(n) . an enzyme is specific because the shape of its matches only particular reactants.4. an enzyme speeds up reactions by lowering the . the between an active site and its substrate often strains bonds and the reaction proceed.6. a( , which is often a vitamin, binds to an enzyme and plays a role in catalysis.7. high temperatures or changes in ph can an enzyme, causing it to lose its shape and biological activity.

How is synaptic signaling different from paracrine signaling?