Peroxidase is an enzyme that breaks down hydrogen peroxide in cells. It accomplishes this because of its structure. What part of the enzyme is involved in catalytic activity?
A. Binding pocket
B. Bonding groove
C. Pleated fold
D. Active site

i think that is new experiments yield untrustworthy data and should be carefully considered, because you don't know what will happen with the experiments.

this age may represent the age of the earth's accretion, of core formation, or of the material from which the earth formed. this dating is based on evidence from radiometric age-dating of meteorite material and is consistent with the radiometric ages of the oldest-known terrestrial and lunar samples.