Biology Final Exam

Front

What are the components of a nucleotide?

Back

A nucleotide consists of a phosphate group, a nitrogenous base, and a 5-carbon sugar.

Front

What is the function of the plasma membrane?

Back

The plasma membrane regulates what enters and leaves the cell, separates the internal environment of the cell from the external environment, and provides structural support.

Front

What type of chemical bond involves the total transfer of electrons?

Back

Ionic bonds involve the total transfer of electrons from one atom or group of atoms to another.

Front

What is the role of the Golgi Apparatus in a cell?

Back

The Golgi Apparatus modifies, sorts, packages, and ships out proteins to where they are needed.

Front

What molecules are made up of glycerol and fatty acids?

Back

Lipids are made up of glycerol and fatty acids.

Front

Define a covalent bond.

Back

A covalent bond is a type of chemical bond where two atoms share one or more pairs of electrons.

Front

What is the primary function of ribosomes?

Back

Ribosomes are responsible for protein synthesis in the cell.

Front

What is the difference between prokaryotic and eukaryotic cells?

Back

Prokaryotic cells do not have a nucleus or membrane-bound organelles, while eukaryotic cells do.

Front

What is the function of mitochondria?

Back

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

Front

What is the role of the nucleus in a cell?

Back

The nucleus houses the cell's genetic material (DNA) and controls cellular activities.