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is a chemical substance that organisms require to live.

Nutrient

Explanation:

Nutrients are compounds in foods which are essential to life and health of living organisms, providing them with energy. They are the building blocks for repair and growth and substances necessary to regulate chemical processes. There are six major nutrients:

identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.

micro/nanoscale topography surface exhibits many prominent properties and is extensively employed in biomedical device, microfluidic device and energy device fabrication. additionally, the clinical applications of biomaterials can be largely expanded with of nanostructured surfaces.