Topic Details (Notes format)

Which organelle is known as the "powerhouse of the cell"?

Which gas is commonly used in balloons to make them float?

Which law states that energy cannot be created or destroyed?

Which component of blood carries oxygen?

What is the primary source of energy for life on Earth?

What type of macromolecule is an enzyme?

What is the most abundant gas in the Sun?

What is the primary function of red blood cells (RBCs) in the human body?

Which element is the most abundant in the Earth’s crust?

Which organ regulates blood sugar levels in the human body?