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❖ The correct answer is B. Chemoautotrophs.
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The neuron, or nerve cell, is the basic functional unit of the nervous system
Answer: this is called passive transport and it does not require energy.
They all contain carbonyl groups. DNA has carbonyl groups in it's nucleotide ring structures. Every amino acid in a protein has a carbonyl group in its backbone structure. Fats too have carbonyl groups in their structures attached to hydrocarbon chains
