Which of the following food-stuffs contains nitrogen?
Carbohydrates
fats
Proteins
None of these
Which of the following statements is true?
Denaturation of protein changes the primary structure of protein
All proteins act as biocatalyst
C-terminal amino acid in proteins is determined by Edman degradation
The pleated sheet structure of proteins was determined by Pauling
The human body does not produce
enzyme
DNA
vitamins
hormones
C.
vitamins
Vitamins are accessory fast factors, required in small quantity for controlling metabolism and body functioning, e.g., they help keeping our eyes, bones, teeth and gums healthy, but do not provide energy. Vitamins are an essential component of our diet, because they are not produced inside the body and in the absence of vitamins, a number of chemical reactions cannot take place.