BIOMOLECULES AND ENZYMES

BIOLOGY

STRUCTURE OF PROTEINS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Proteins have many functions. Collagen is a component of connective tissue that provides ____
A
Structure
B
Hormones
C
Immunity
D
Transport
Explanation: 

Detailed explanation-1: -Collagen is protein molecules made up of amino acids. It provides structural support to the extracellular space of connective tissues. Due to its rigidity and resistance to stretching, it is the perfect matrix for skin, tendons, bones, and ligaments.

Detailed explanation-2: -Collagen’s main role is to provide structure, strength and support throughout your body. Collagen’s specific roles include: Helping fibroblasts to form in your dermis (middle skin layer), which helps new cells grow. Playing a role in replacing dead skin cells.

Detailed explanation-3: -The primary connective tissue protein is collagen. Collagen content is often measured in meat to get an estimate of the amount of connective tissue. Fig. 9.8.

Detailed explanation-4: -The defining feature of collagen is an elegant structural motif in which three parallel polypeptide strands in a left-handed, polyproline II-type (PPII) helical conformation coil about each other with a one-residue stagger to form a right-handed triple helix (Figure 1).

Detailed explanation-5: -Collagen is the most abundant protein in the body. Its fiber-like structure is used to make connective tissue. Like the name implies, this type of tissue connects other tissues and is a major component of bone, skin, muscles, tendons, and cartilage.

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