Biomolecules in Human Body

(a)   are necessary for the survival of living systems.

• Lipids and proteins
• Carbohydrates and nucleic acids
• Organic and inorganic substances
• Amino acids and enzymes

Answer explanation

Organic and inorganic substances are essential for the survival of living systems.

What are the important organic and inorganic substances needed in all living systems? Select the answer that best explains the importance.

• Carbohydrates and proteins are fundamental for cellular structure.

• Lipids and amino acids are essential for energy storage.

• Nucleic acids and enzymes are vital for genetic information and chemical reactions.

• Organic and inorganic substances contribute to the overall functioning of living organisms.

Answer explanation

Organic and inorganic substances contribute to the overall functioning of living organisms.

The biomolecule that is responsible for providing energy to cells is (a)   .

• Protein
• Lipid
• Carbohydrate
• Nucleic Acid

Answer explanation

Carbohydrates are the biomolecules responsible for providing energy to cells.

Which biomolecule is composed of amino acids?

• Protein

• Lipid

• Carbohydrate

• Nucleic Acid

Answer explanation

Proteins are composed of amino acids and are the biomolecules that are made up of amino acids.

The function of enzymes in living systems is to (a)   .

• Store genetic information
• Provide structural support
• Catalyze chemical reactions
• Regulate cell metabolism

Answer explanation

Enzymes in living systems catalyze chemical reactions, playing a crucial role in regulating cell metabolism.

What is the full form of DNA?

• Deoxyribonucleic Acid

• Dehydrated Nucleic Acid

• Dinucleic Acid

• Dihydroxylic Acid

Answer explanation

DNA stands for Deoxyribonucleic Acid, which is the correct choice. DNA is a molecule that carries the genetic instructions used in the growth, development, functioning, and reproduction of all known living organisms.

The full form of RNA is (a)   .

• Ribonucleic Acid
• Ribosomal Nucleic Acid
• Riboxylic Acid
• Ribosomal Acid

Answer explanation

RNA stands for Ribonucleic Acid, which is the correct choice. It plays a crucial role in protein synthesis and gene expression.

What is the building block of proteins?

• Amino Acid

• Nucleotide

• Monosaccharide

• Fatty Acid

Answer explanation

The building block of proteins is the amino acid. It is responsible for the structure and function of proteins.

(a)   is a type of biomolecule that is ATP.

• Protein
• Lipid
• Carbohydrate
• Nucleic Acid

Answer explanation

ATP is a nucleotide that functions as an energy carrier in cells. It is classified as a carbohydrate.

Which biomolecule is responsible for hormone production?

• Protein

• Lipid

• Carbohydrate

• Nucleic Acid

Answer explanation

Lipids are responsible for hormone production. They play a crucial role in the synthesis and regulation of hormones in the body.