Protein Functions and Metabolism Concepts

The video tutorial covers IB questions on proteins, emphasizing the importance of knowing specific protein examples and their functions. It explains how amino acids form polypeptides, the concept of proteome, and the processes of catabolism and anabolism. The tutorial concludes with advice on further study resources.

Which protein is known for providing structural support in animals?

• Immunoglobulin

• Insulin

• Rhodopsin

• Collagen

Where in the cell are amino acids assembled into polypeptides?

• Ribosomes

• Mitochondria

• Nucleus

• Golgi apparatus

Which protein is incorrectly matched with its function of raising blood glucose levels?

• Immunoglobulin

• Collagen

• Insulin

• Rhodopsin

What is the role of rhodopsin in the body?

• Vision

• Structural support

• Blood glucose regulation

• Immune response

What is the primary function of immunoglobulins?

• Structural support

• Immune defense

• Blood clotting

• Vision

What is the term for the complete set of proteins expressed by an organism at a given time?

• Proteome

• Metabolome

• Transcriptome

• Genome

What is the main difference between a genome and a proteome?

• Genome is in the nucleus, proteome is in the cytoplasm

• Genome is DNA, proteome is RNA

• Genome is static, proteome is dynamic

• Genome is all genes, proteome is all proteins

Which process involves the breakdown of molecules?

• Anabolism

• Catabolism

• Synthesis

• Condensation

Which of the following is a type of anabolic reaction?

• Catabolism

• Condensation

• Decomposition

• Hydrolysis

Which process is an example of catabolism?

• Synthesis of a disaccharide

• Replication of DNA

• Hydrolysis of a protein

• Translation of mRNA