Aspecific gene, called grab, prevents a cell from entering mitosis if there are any signs of dna damage. this means that grab would be a type of what?

Look at the images of different rocks. which rocks have a fine-grained texture? check all that apply. 1 2 3 4 5

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

Nerve cells are specialized to respond to stimulitrue or false?