Cell biology

Front

What are the characteristics of all living things?

Back

All living things exhibit growth and development, respond to their environment, reproduce, and maintain homeostasis. The ability to swim is NOT a characteristic of all living things.

Front

What is the powerhouse of the cell?

Back

The mitochondria are known as the powerhouse of the cell because they produce energy in the form of ATP through cellular respiration.

Front

What organelle is responsible for breaking down waste in the cell?

Back

Lysosomes are enzyme-filled organelles that break down waste materials and cellular debris.

Front

Who was the first scientist to observe bacteria under a microscope?

Back

Anton van Leeuwenhoek was the first scientist to observe bacteria using a microscope.

Front

What is a vacuole?

Back

A vacuole is a sac-like organelle that stores water, food, and other substances within a cell.

Front

What is the function of the cell membrane?

Back

The cell membrane regulates what enters and exits the cell, providing protection and structural support.

Front

What is the role of ribosomes in a cell?

Back

Ribosomes are responsible for protein synthesis by translating messenger RNA (mRNA) into polypeptide chains.

Front

What is the difference between prokaryotic and eukaryotic cells?

Back

Prokaryotic cells lack a nucleus and membrane-bound organelles, while eukaryotic cells have a nucleus and various organelles.

Front

What is the function of chloroplasts?

Back

Chloroplasts are organelles found in plant cells that conduct photosynthesis, converting light energy into chemical energy.

Front

What is homeostasis?

Back

Homeostasis is the process by which living organisms maintain a stable internal environment despite external changes.