A flu virus can remain infectious on surfaces such as desk and doorknobs for long periods of time how does the ability of the flu virus to remain infectious on surfaces lead to high rates of the flu illness

Which best describes carbon dioxide’s path out of the body

How to farmers could ensure that they only grow white flowers

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.