Which of the following best describes these
biomolecules?
Molecule X and
Molecule Y are both
nucleic acids,
Molecule X is a
carbohydrate, and
Molecule Y is a
nucleic acid,
Molecule X is a
nucleic acid, and
Molecule Y is a
carbohydrate,
Molecule X and
Molecule Y are both
carbohydrates,

They are biomolecules that are made up of carbon, hydrogen, and oxygen.
There are different types of carbohydrates. Some are sugars, starch and cellulose.
The most common simple sugars are the hexose. This comprises of six-carbon sugars as illustrated in the diagram in molecule X.
Their chemical formula is C₆H₁₂O₆.

2. Nucleic acid:

They are found in all living cells.
They are composed of strands made up of repeating units called nucleotides. this is clearly shown in the attached diagram in molecule Y
Each nucleotide consists of five-carbon sugar, phosphate group and an organic nitrogen-cotaining base: adenine (A), guanine (G), cytosine (C) or thymine (T).

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