AP Biology - Unit 1 Review

Front

What are saturated fatty acids?

Back

Saturated fatty acids are fatty acids that have no double bonds between carbon atoms. They are typically solid at room temperature and are more common in animal fats.

Front

What is the primary function of RNA molecules?

Back

RNA molecules help synthesize proteins by serving as a template for translation during protein synthesis.

Front

What ions are more prevalent in alkalis (bases)?

Back

Alkalis (bases) have more hydroxide ions (OH-) compared to hydrogen ions (H+).

Front

What is an alpha helix?

Back

An alpha helix is a common structural motif in proteins characterized by a right-handed coil where each amino acid corresponds to a turn of the helix.

Front

What does the tertiary structure of a protein refer to?

Back

The tertiary structure of a protein refers to the overall three-dimensional shape formed by the folding of a single polypeptide chain.

Front

What is denaturation in proteins?

Back

Denaturation is the process where a protein loses its native structure due to external stress or conditions, such as heat or pH changes.

Front

What are lipids?

Back

Lipids are a diverse group of hydrophobic organic molecules, including fats, oils, and phospholipids, that are important for energy storage and cell membrane structure.

Front

What is the role of enzymes in biological reactions?

Back

Enzymes are biological catalysts that speed up chemical reactions by lowering the activation energy required for the reaction to occur.

Front

What is the difference between DNA and RNA?

Back

DNA stores genetic information, while RNA plays a crucial role in protein synthesis and can also act as a messenger carrying instructions from DNA.

Front

What is a protein's quaternary structure?

Back

The quaternary structure of a protein refers to the assembly of multiple polypeptide chains into a single functional unit.