Answer: Option A) Proteins and nucleic acids
Explanation:
Proteins are composed of several amino acids with positively charged amino groups in their side chain. These amino groups (NH2) have nitrogen atoms in them.
Nucleic acids, as well have nitrogen atoms in the nitrogenous bases present in their structure. E.g DNA and RNA has Adenine molecules with two nitrogen atoms in its structures
Dendrites receive messages from other neurons. Axon sends messages from the cell body to the dendrites of other neurons.
Cynndi made a fruit salad using her grandmothers recipe. Cynndi has to read the recipe to learn how to make it and also would have to learn how to prepare the fruit.