Question

The most abundant chemical in living organisms could be:

• A. Protein
• B. Water
• C. Sugar
• D. Nucleic acid

Answer 1

The correct option is B

Water

The correct option is B.

Explanation of the correct option:

1. A lot of fundamental atoms and other particles are transported throughout the body by water, which is soluble.
2. These include additives and metabolic waste products from the body. Particles, like a few particles and atoms, should be able to maneuver about living things.
3. Water's energy for dissolving is essential for life on Earth.
4. Water transports broken-down chemicals, minerals, and vitamins that are used to support living organisms everywhere it goes.

Explanation of the incorrect option:

Option A:

Large biomolecules and macromolecules known as proteins are made up of one or more extended chains of amino acid residues.

Option C:

1. The general term for soluble carbohydrates with a sweet flavour and which are frequently found in food is sugar.
2. Glucose, fructose, and galactose are examples of simple sugars, also known as monosaccharides.

Option D:

1. The structure of nucleic acids like DNA and RNA is referred to as nucleic acid structure.
2. DNA and RNA are quite similar to one another chemically.
3. Primary, secondary, tertiary, and quaternary are the four levels that are frequently used to categorize the structure of nucleic acids.

Final answer: The most abundant chemical in living organisms could be water.