The sugar- phosphate backbone forms the backbone of DNA.
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Mutations are changes in the DNA of an organism. Examples of beneficial mutations include HIV resistance
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That is the main difference between sexual and asexual reproduction. Sexual reproduction just means combining genetic material from two parents. Asexual reproduction produces offspring genetically identical to the one parent.
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Explanation:
Bones are organs composed of hard living tissue providing structural support to the body – it's scaffolding. It is a hard matrix of calcium salts deposited around protein fibers. Minerals make bone rigid and proteins (collagen) provide strength and elasticity. ... The outer layer of bone is called Cortical bone.
Whatd did she discover?? it doesnt make sense
