Answer
Elastin fibers are glycoproteins found in the lungs and are usually in large quantities. The abundant elastin fibers are helpful in the recoil process of the lungs after being expanded by the muscles of the respiratory system.
During inhalation,the diaphragm and intercostal muscles expand the chest. This forms a negative pressure and draws the air in.The Lungs recoil to expel used up air during exhalation.
The reason why there is no change in color is that the protein <span>does not react with amylase as it cannot fit into the active sites present in amylase. The correct option among all the options that are given in the question is the second option or option "B". I hope that the answer has come to your help.</span>
Answer:
They have more bonds (ionic, vdW, polar, peptide, hydrogen) and a thicker phospholipid bilayer than their similarly-structured heat-intolerant counterparts-DNA - two bonds between adenine and thymine, three bonds between cytosine and guanine, MORE C-G PAIRINGS2.