Semester 1 Biology Final Review

Front

Which macromolecule is the major component of cell membranes?

Back

Lipids are the major component of cell membranes, providing structure and function.

Front

What is the relationship between competition and population size?

Back

Competition increases as population size increases, leading to more individuals competing for limited resources.

Front

Why does the body switch from aerobic respiration to anaerobic respiration during intense exercise?

Back

The body switches to anaerobic respiration due to not enough oxygen being available for aerobic processes.

Front

Epithelial cells work together to form a single ____ layer.

Back

Epithelial cells form a single tissue layer, which serves as a protective barrier.

Front

Which two body systems interact to get nutrients from food to the brain?

Back

The Circulatory and Digestive systems work together to transport nutrients to the brain.

Front

Define macromolecules and list the four main types.

Back

Macromolecules are large molecules essential for life, including carbohydrates, lipids, proteins, and nucleic acids.

Front

What is the function of carbohydrates in living organisms?

Back

Carbohydrates provide energy and serve as structural components in cells.

Front

Explain the role of proteins in biological systems.

Back

Proteins perform a variety of functions including catalyzing reactions (enzymes), providing structure, and facilitating communication.

Front

What is the primary function of the circulatory system?

Back

The primary function of the circulatory system is to transport blood, nutrients, gases, and waste products throughout the body.

Front

Describe the process of photosynthesis.

Back

Photosynthesis is the process by which plants convert light energy into chemical energy, using carbon dioxide and water to produce glucose and oxygen.