Isn't this fascinating? For a cell to be able to divide, all of its DNA has to be replicated and then packaged as tightly condensed, duplicated chromosomes.
What does each duplicated chromosome have two of?
a) Copies of the entire DNA
b) Different chromatids, one from the father and the other from the mother
c) Identical chromatids
d) RNA molecules

The use of dna as evidence in criminal investigations became possible because of the

What is the process of pulling apart an n2 molecule nevermind i got it

This is a typical grassland food web. it is also a small picture of an important cycle on earth: the carbon cycle. describe how the carbon gets into this food web. a) bacteria and fungi, the decomposers, recycle carbon from dead organisms. b) carbon is found in the grass and is passed from one level to the next in this food web. eliminate c) all living things give off carbon dioxide as a by-product of respiration and it is released into the atmosphere. d) plants use carbon dioxide as a reactant in photosynthesis, to make usable chemical energy in the form of a sugar.