Agroup of scientists have proposed a new theory about natural selection. the new theory would be accepted a. if it does not change over time b. if it describes how natural events occur c. after its results are proved non-testable d. after other scientists agree with the results

About how much of the cell mass is watet

Which of the following is not associated with invasive species?

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.