Biology 1st Year Chapter 2

Biological molecules are essential compounds in living organisms, including carbohydrates, proteins, lipids, and nucleic acids, which play key roles in cellular structure, energy storage, and genetic information.

1st year Biology Chapter 2 Notes

​When a protein undergoes a hydrolysis reaction the end-products are: Amino acid

Glycerol is the back bone molecule for: Triglycerides

To biological function of a protein is determined by its: Primary structure

Animals obtain carbohydrates mainly from: Starch

Glycogen is an example of a: Both a polysaccharide and a carbohydrate

Which class of molecule is the major component of cell membrane: Phospolipid

To produce Lactose: Glucose and galactose must undergo a dehydration reaction

Enzymes are: Proteins

A triglyceride is a: Lipid

Peptide bond is a: C-N link

The sum of all the chemical reaction that occur in the body is known as: Metabolism

Which one of the following is and organic molecule: C6H12O6

Which of the following is a protein: Insulin

Amino acids are arranged in proper sequence during protein synthesis according to the instruction transcribed on: Messenger RNA

Peptide bonds are found in: Proteins

Globular proteins differ from fibrous proteins in: Being soluble in aqueous medium

Which one of the following kinds of atom does not occur in carbohydrates: Nitrogen

Important : Review all previous years’ 11 Class Past Papers for comprehensive practice and better exam preparation.

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