Ga biologist feeds cultured islet cells radioactive cysteine amino acids that get incorporated into newly synthesized proteins. the signal peptide of proinsulin (the sequence that directs it to the rough er) does not contain any cysteines. where would radioactive insulin be found?

do yall know the answer?

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.

garbage disposal because lysosomes dispose of old cell parts like garbage disposals dispose of old food.

ever get the answers? im stuck on this as well