DNA, with only 4 nucleotides repeating along a sugar phosphate backbone, could account for the diversity of life because A) It was a code, and it was very long.

B) it is still a mystery.

C)it was surrounded by complex proteins in chromosomes.

D)life isn't really that diverse.

Which organelle breaks down sugar molecules that supply energy to the cell ?

Which topic is most likely to be studied by bo which topic is most likely to be studied by botanist? insect metamorphosis, viral infection, plant growth, animal physiology

What evidence for the age of the earth is indicated by the fact that sedimentary rock is found on mountain tops? that the earth has expanded outward from water beds that mountains formed first before anything else that some force lifted the rocks from the water the earth is not very old and has not had time for many rock layers to form