12 Questions
What is an important feature of globular proteins?
Compact shape with rounded structure
What gives the name 'heme proteins' to Myoglobin and Hemoglobin?
Heme group
Where is Myoglobin found and what is its function?
In muscle; oxygen storage
What is the role of Hemoglobin in the body?
Carrier of oxygen through bloodstream
What is the prosthetic group present in both myoglobin and hemoglobin?
Heme group
What type of structure does hemoglobin have?
Quaternary structure
What is the role of distal histidine in myoglobin and hemoglobin?
Entry of oxygen instead of CO
What is the state of the iron atom in the heme group?
Ferrous (Fe2+)
What does myoglobin's hydrophobic pocket do?
Protects the heme group from oxidation
What is the name of the complex organic ring structure in the heme group?
Protoporphyrin
What is the role of proximal histidine in myoglobin and hemoglobin?
Coordinated (bound) with iron perpendicularly
What does the heme group allow myoglobin and hemoglobin to do?
Store and carry oxygen
Test your knowledge of globular proteins and their structure-function relationship in this biochemistry quiz. Explore the characteristics and biological functions of these compact, water-soluble proteins found in cells and blood.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
