If the R-group (Variant) changes in structure of an amino acid, what else has changed? O The type of DNA
O The type of amino acid
O The Carboxyl (Acid) group
O The hydrogen group

characterization of nanoparticles is a critical step in nanomaterial production as it provides information of dimension, morphology, surface charge, distribution and degree of surface functionalization.

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explanation:

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answer: a) a compound microscope has a greater magnification ability than a simple microscope.

explanation:

because the light is a great source of energy for the plants to survive. (i hope this )