Which term best describes the role carbon plays in the structure of compounds present in living things?

a. fundamental role
b. a somewhat important role
c. a minimal role

A. Fundamental Role

Explanation:

Carbon is present in all the organic compounds, specifically the macromolecules present in the cells of the living beings. The ability of carbon to make four covalent bonds with other atoms and specific orientation of bonded atoms in the space determine the three-dimensional structures of these compounds. And the structure of the compounds regulates their respective functions.  

For example, nucleic acids are the polymers of nucleotides which are joined together to make the long chains of DNA and RNA.  The stretch of nucleotide sequence of DNA serves as gene and code for specific protein. Likewise, enzymes are proteins and have pockets called active sites to interact with substrates.

hey bro i looked it up on google the structure of the eye-spot in euglena viridie, e. ehrenbergii, and phacus pyriyorme is not as franzé haa described it. the so-called “crystal body” and “lens bodies” were not found in any of the individuals of the species examined by me. as earlier observers have stated, the eye-spot consists simply of a mass of pigment granules arranged in a single layer, and probably embedded in a protoplasmic framework, but the latter could not be seen, and its presence was only inferred from the fact that the pigment granules must be held together in some way, thd the eye-spot as a whole is capable of expansion, and that the pigment granules can be separated from each other.

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many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

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explanation: