Heating of proteins results in loss of activity and the process is referred to a

Question

Heating of proteins results in loss of activity and the process is referred to as hydrolysis de nitration sequencing hydrophobic interactions all of these Which one of the following is a simple lipid? Steroids triglycerides phoshpholipids waxes oils Which of the following is a correct description of waxes? long chain esters long chain ethers long chain anhydrides long chain fatty acids long chain alcohols the following compound is best classified as a(n) simple lipid fat cephalin wax oil Hemoglobin found in blood is classified as a protein. Structural regulatory transport fibrous none of these

Explanation / Answer

26. The heating of protein results in the loss of activity and the process is called Denaturation ( answer B

[Denaturation is a process in which proteins or nucleic acids lose the quaternary structure, tertiary structure and secondary structure which is present in their native state, by application of some external stress or compound such as a strong acid or base, a concentrated inorganic salt, an organic solvent]

27. Wax is an example of simple lipid ( answer D)

[A simple lipid is a fatty acid ester of different alcohols and carries no other substance. ]

28. Waxes are esters of long-chain fatty alcohols with long-chain fatty acids. ( answer A)

[Natural waxes are typically esters of fatty acids and long chain alcohols.]

29. The structure of the compound is that of fat ( answer B)

[On one end of the chain there is a carboxyl-group, or a carbon double bonded to an oxygen and single bonded to an oxygen and hydrogen. Double bonds are depicted by using two lines (see picture). A fat is formed when a glycerol joins with three fatty acids. Fats are also called triglycerides.]

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