PLZZZ HELP ASAP Which of the following statements about DNA is correct?
A. Some kinds of organisms do not have DNA.
B. Alleles are two versions of a gene.
C. One gene can code for several proteins.
D. Cells in different tissues or organs (skin, eye, bone, etc.) contain different DNA.

during the process of dna replication, brdu can replace thymidine and incorporate into the newly synthesized dna, cell proliferation thus can be reflected in the extent of brdu incorporation.

producers: apple trees, potatoes, carrots, grains, acorns, cabbage, grass, corn, lettuce

consumers: deer, mice, rabbits, chickens, squirrels, horses, worms, cows

predators: eagles, frogs, wolves, owls