Which substance is commonly found in the cell membraine. a. dna b. protiens c. rna d. cellulose

Explain how scientists use geologic time to determine the age of landforms.

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes

First described the system of fingerprint ridges and spirals, which eventually were used for fingerprinting. a.) fare and fidelis’s pathology b.) dr. calvin goddard c.) hans gross d.) marcelo malpighi e.) leeuvenhoek’s microscope