Copy Biology Semester 1 Final Exam

Front

Which macromolecule do living things use as their main source of energy?

Back

Carbohydrates are the primary source of energy for living organisms.

Front

What is the purpose of an enzyme?

Back

Enzymes speed up chemical reactions by lowering the activation energy required.

Front

What is cytoplasm?

Back

Cytoplasm is a jellylike substance within a cell that contains organelles.

Front

What is the function of the Golgi apparatus?

Back

The Golgi apparatus packages and processes materials before exporting them out of the cell.

Front

How do the muscular and skeletal systems interact?

Back

The muscles pull on the skeleton to create movement.

Front

What are the four main types of macromolecules?

Back

The four main types of macromolecules are carbohydrates, lipids, proteins, and nucleic acids.

Front

What is the role of ribosomes in a cell?

Back

Ribosomes are responsible for protein synthesis.

Front

What is the function of mitochondria?

Back

Mitochondria are known as the powerhouse of the cell, generating ATP through cellular respiration.

Front

What is homeostasis?

Back

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

Front

What is the difference between prokaryotic and eukaryotic cells?

Back

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