Semester Exam Review Unit 1

Front

Which biomolecule is responsible for insulation and energy storage?

Back

Lipid: A type of biomolecule that stores energy and provides insulation in living organisms.

Front

What is the function of the Endoplasmic Reticulum in a cell?

Back

Endoplasmic Reticulum: A network of membranes involved in the transportation of materials within the cell.

Front

What organelle directs all cell activities?

Back

Nucleus: The control center of the cell that contains DNA and regulates cell activities.

Front

Where are proteins synthesized in the cell?

Back

Ribosomes: The cellular structures where protein synthesis occurs.

Front

What is the role of lysosomes in a cell?

Back

Lysosome: An organelle that breaks down waste materials and cellular debris, acting as a recycler.

Front

Define biomolecule.

Back

Biomolecule: A molecule that is essential for life, including proteins, lipids, carbohydrates, and nucleic acids.

Front

What is the primary function of carbohydrates?

Back

Carbohydrates: Biomolecules that provide energy and structural support in cells.

Front

What is the role of mitochondria in a cell?

Back

Mitochondria: Organelles known as the powerhouses of the cell, responsible for producing energy through cellular respiration.

Front

What is the function of vacuoles in plant cells?

Back

Vacuoles: Storage organelles that hold various substances, including nutrients and waste products.

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 organelles.