What two organelles are found in plant cells but not in animal cells?

Exit what always affects measurement error in an experiment? a. investigator bias b. variability in nature c. instrument precision d. misreading the instrument

19. scientists use meteorites that hit earth to provide evidence of the composition of earth's interior because they hypothesize that

The first signs of cellular differentiation occur in the blastocyst. why is cellular differentiation important for the development of a fully formed human infant?