Biology Midterm Review

Front

What is a prokaryotic cell?

Back

A prokaryotic cell is a type of cell that does not have a nucleus or other membrane-bound organelles. An example of a prokaryotic cell is bacteria.

Front

What is the primary function of the nucleus in a eukaryotic cell?

Back

The primary function of the nucleus in a eukaryotic cell is to store genetic information.

Front

What is the function of the cell membrane?

Back

The cell membrane regulates what enters and leaves the cell, maintaining homeostasis.

Front

What are macromolecules?

Back

Macromolecules are large, complex molecules that are essential for life, including proteins, nucleic acids, carbohydrates, and lipids.

Front

What is the main function of ribosomes?

Back

The main function of ribosomes is protein synthesis.

Front

What are the main differences between prokaryotic and eukaryotic cells?

Back

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

Front

What is the role of mitochondria in a cell?

Back

Mitochondria are known as the powerhouse of the cell, as they produce energy in the form of ATP through cellular respiration.

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 the structure of DNA?

Back

DNA is a double helix structure composed of nucleotides, which include a sugar, a phosphate group, and a nitrogenous base.

Front

What is the role of enzymes in biological processes?

Back

Enzymes are catalysts that speed up chemical reactions in the body without being consumed in the process.