Match each biomolecule type (nucleic acid, carbohydrate, lipid, protein) to its description: 1) Cont

Answer

Protein, because proteins contain C, H, O, N and often S and have many functions. 2) Carbohydrate, because carbohydrates provide quick energy and can be structural (like cellulose). 3) Nucleic acid, because DNA/RNA store genetic information and contain N and P. 4) Lipid, because lipids store long-term energy and are insoluble in water.

Explanation

How to recognize each biomolecule from clues

The descriptions give you chemical elements (like N, P, S), typical functions (quick energy vs long-term storage), and properties (water-soluble vs insoluble). Matching those clues to the common traits of the four biomolecule groups is the fastest way.

Matching #1: Many roles, contains N and sometimes S

Proteins are made of amino acids, which always contain nitrogen, and some amino acids (cysteine and methionine) contain sulfur. Proteins also do many jobs, such as enzymes, transport, structure, signaling, and immunity.

So, 1 = protein.

Matching #2: Quick energy, sometimes structure

Carbohydrates (like glucose) are a main quick energy source. Some carbohydrates are structural, for example cellulose in plant cell walls and chitin in fungi and arthropods.

So, 2 = carbohydrate.

Matching #3: Information storage, contains N and P

Nucleic acids (DNA and RNA) store genetic information. Their nucleotides include nitrogenous bases (N) and phosphate groups (P).

So, 3 = nucleic acid.

Matching #4: Stored energy, insoluble in water

Lipids (fats, oils) are hydrophobic, so they do not dissolve in water. They are a major long-term energy storage molecule.

So, 4 = lipid.

Skills You Achive

biomolecule identification basic biochemistry macromolecules classification