How do you think seeing this x-ray image affected the work of watson and crick? it was used to a show that dna was the molecule of inheritance. b develop an understanding of how x-ray crystallography diffraction works. c identify the four bases that make up dna. d

Multicellular organisms use cell division, mitosis, for growth and the maintenance and repair of cells and tissues. single-celled organisms may use cell division as their method of reproduction. regardless of the reason for mitosis, the process ensures genetic continuity. what is the step in the cell cycle that ensure genetic continuity?

Every early childhood education program should develop a

When is your breathing likely to speed up? a. when your white blood cells increase b. when your cells need more energy c. when your heart cells need more carbon dioxide d. when your blood cells have too much oxygen