TBB6 (24-25)

Front

What is the main source of energy for living things?

Back

Carbohydrates are the main source of energy for living things and make up the cell wall of plants.

Front

What do enzymes do to the activation energy of a reaction?

Back

Enzymes decrease the activation energy of the reaction.

Front

What is the main difference between a scientific theory and a scientific law?

Back

Laws describe and theories explain patterns in nature.

Front

Which organisms are made up of prokaryotic cells?

Back

Bacteria are made up of prokaryotic cells.

Front

Which type of cell contains cytoplasm?

Back

Both eukaryotic and prokaryotic cells contain cytoplasm.

Front

What are carbohydrates?

Back

Carbohydrates are organic compounds that serve as a primary energy source for living organisms.

Front

What is the role of enzymes in biological reactions?

Back

Enzymes act as catalysts to speed up biological reactions by lowering the activation energy.

Front

Define a scientific law.

Back

A scientific law is a statement that describes a consistent and universal relationship observed in nature.

Front

Define a scientific theory.

Back

A scientific theory is a well-substantiated explanation of an aspect of the natural world based on a body of evidence.

Front

What are prokaryotic cells?

Back

Prokaryotic cells are simple, single-celled organisms that lack a nucleus and membrane-bound organelles.