These important macromolecules act as catalysts to help carry out the thousands of chemical reactions that take place in cells. what is this macromolecule? a: lipid - hormone
b: protein- enzyme
c: nucleic acid - RNA
d: carbohydrate- cellulose

a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.

where in your body is there an enzyme that does function at a high or low ph? what is the name of that enzyme and its function?

we need additional information in order to determine the cause of death for anna garcia. there are at least 3 things with explanation included as to why we need them are as follows: