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
Which of the following is not present in DNA?
Adenine
Guanine
Uracil
Thymine
C.
Uracil
The bases present in DNA are adenine (A), guanine (G), cytosine (C) and thymine (T). Uracil (U) is found in RNA, not in DNA.