Which of the following properties of water molecules is crucial for maintaining homeostasis within living organisms?

A. Adhesion

B. Solvent properties

C. Thermal properties

D. Cohesion

What is the primary role of lipids in the cellular membrane structure?

A. Provide energy

B. Act as enzymes

C. Form a bilayer

D. Store genetic information

Which of the following is a function of monosaccharides in living organisms?

A. Insulation

B. Energy storage

C. Immediate energy source

D. Genetic information storage

How does the structure of water contribute to its role in biochemical reactions?

A. High heat capacity

B. Ability to form hydrogen bonds

C. Nonpolar nature

D. Low density in solid form

Which of the following statements about the importance of molecular biology in genetics is correct?

A. It studies the interaction between different species.

B. It focuses solely on the structure of DNA.

C. It explores the molecular basis of gene expression.

D. It investigates the ecological role of genes.

a) Explain the significance of water's properties, such as cohesion and adhesion, in maintaining homeostasis within living organisms. [4]

b) Discuss how the thermal properties of water contribute to the moderation of temperature and the protection of organisms in varying environmental conditions. [3]

a) Describe the molecular structure of monosaccharides and explain how they can combine to form disaccharides and polysaccharides. [4]

b) Discuss the role of lipids in energy storage and insulation within organisms. [3]

a) Define the concept of molecular biology and discuss its importance in understanding genetics, health, and diseases. [4]

b) Explain how the solvent properties of water are essential for biochemical reactions within living organisms. [3]

a) Elaborate on the structure and properties of lipids and how these contribute to their role in membrane structure. [4]

b) Discuss the significance of the amphipathic nature of phospholipids in forming the lipid bilayer of cell membranes. [3]

c) Explain how variations in temperature can affect the fluidity and stability of the cell membrane. [3]

a) Define the term ‘molecular biology’ and outline its relevance in studying genetics and diseases. [3]

b) Describe the structure of water molecules and explain how this structure contributes to water’s properties, such as cohesion and adhesion. [4]

c) Discuss the role of water’s thermal properties in maintaining homeostasis within living organisms. [3]

Which type of carbohydrate is primarily involved in energy storage?

A. Monosaccharides

B. Disaccharides

C. Polysaccharides

D. Oligosaccharides

What is the significance of molecular biology in the context of diseases?

A. It studies ecological relationships.

B. It identifies molecular causes of diseases.

C. It focuses on the evolutionary aspects of diseases.

D. It investigates the physical structure of pathogens.

Which property of water is essential for its role as a universal solvent?

A. Cohesion

B. High heat capacity

C. Polarity

D. Adhesion

Which of the following is a characteristic of lipids?

A. Soluble in water

B. Formed by peptide bonds

C. Involved in quick energy release

D. Provide insulation

How does the study of molecular biology contribute to advancements in health?

A. By focusing on ecological balance

B. By exploring evolutionary relationships

C. By developing molecular-level therapies

D. By studying the physical properties of molecules

a) Discuss the structure of monosaccharides and how they combine to form polysaccharides. [3]

b) Explain the significance of polysaccharides in energy storage and structural support in plants and animals. [4]

c) Describe how the properties of lipids make them suitable for energy storage and insulation. [3]

a) Outline the concept of molecular biology and its implications for health and medicine. [3]

b) Discuss how the solvent properties of water facilitate biochemical reactions within cells. [4]

c) Explain the role of disaccharides and polysaccharides in energy storage and transport in living organisms. [3]

a) Define molecular biology and discuss its significance in understanding the molecular mechanisms of genetics. [3]

b) Elaborate on the structure of water and how this structure contributes to its cohesive and adhesive properties. [4]

c) Explain the role of these properties of water in the transport of nutrients and waste in plants and animals. [3]

d) Discuss how the thermal properties of water are essential for the survival of aquatic organisms in different environments. [4]

a) Discuss the structure of monosaccharides and how they combine to form complex carbohydrates like polysaccharides. [4]

b) Explain the significance of polysaccharides in plants and animals, focusing on their roles in energy storage and structural support. [4]

c) Describe the molecular structure of lipids and discuss how this structure contributes to their function in energy storage and insulation. [3]

d) Elaborate on the importance of lipids in forming the structure of cell membranes and how they contribute to membrane fluidity. [3]

a) Outline the concept of molecular biology and its application in studying health and diseases. [3]

b) Discuss the solvent properties of water and explain how this facilitates biochemical reactions within living organisms. [4]

c) Describe the structure of disaccharides and explain their role in energy transport in plants. [3]

d) Discuss the structure and functions of lipids, focusing on their role in energy storage and as components of cell membranes. [4]