4. List & describe 4 contributions that living cells make to the human body: 2 pts

What process allows for the development of haploid sex cells? mitosis meiosis fertilization pollination

Name the plastid and pigment likely to be found in the cells of (a) petals of sunflower (b) ripe tomato.

The observations of hooke and van leeuwenhoek documenting the existence of microscopic cells formed the basis of what important theory? a. the cell theory stating that all living things are composed of cellsb. the theory of spontaneous generation, which held that life forms could arise spontaneouslyc. the theory of chemotherapy, or use of antimicrobials to destroy pathogenic organismsd. the germ theory of disease and causative agents