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Globular Protein Structure and Function Quiz

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Globular Protein Structure and Function Quiz

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Questions and Answers

What is the general function of globular proteins?

Metabolic roles, such as enzymes and plasma proteins (correct)

Storage of oxygen in muscles

Transport of oxygen in blood

Structural roles, such as collagen and elastin

What is the structure of myoglobin?

Ball-like structure with hydrophobic parts towards the center

Long fibers with repeated amino acid sequences

Globin polypeptide chains with heme groups (correct)

Tightly bound group containing heme

How are fibrous proteins different from globular proteins?

They are involved in oxygen transport and storage

They are mostly insoluble in water and have structural roles (correct)

They have metabolic roles and are water soluble

They form ball-like structures with hydrophobic parts towards the center

Which protein is responsible for oxygen transport in blood?

<p>Hemoglobin</p> Signup and view all the answers

What is the main function of hemoglobin?

<p>Transport of oxygen in blood</p> Signup and view all the answers

Study Notes

Protein Structure and Function

Globular proteins have a spherical or oval shape and are soluble in water, allowing them to be involved in various biological processes such as enzyme catalysis, transport, and regulation.

Myoglobin Structure

Myoglobin is a globular protein, composed of a single polypeptide chain of 153 amino acids, with a compact, spherical shape.

Fibrous vs Globular Proteins

Fibrous proteins have a long, stretched, and rod-like shape, are insoluble in water, and provide structural support and protection, whereas globular proteins are soluble, have a spherical shape, and are involved in various biological processes.

Oxygen Transport

Hemoglobin is the protein responsible for oxygen transport in the blood, binding to oxygen in the lungs and releasing it in the tissues.

Hemoglobin Function

The main function of hemoglobin is to transport oxygen from the lungs to the body's tissues, and to carry carbon dioxide from the tissues to the lungs.

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Description

Test your knowledge of globular protein structure and function with this quiz. Learn about the general functions of globular proteins, the structures of hemoglobin and myoglobin, and the differences between fibrous and globular proteins. Gain a deeper understanding of the 3D structures of proteins and their diverse roles in biological systems.