Which one of the following is the correct matching of three items and their grouping category?
Item Group
a)
Malleus, incus, cochlea
Ear ossicles
b)
Ilium, ischium, pubis
Coxal bones of pelvic girdle
c)
Actin, myosin, rhodopsin
Muscle proteins
d)
Cytosine, uracil, thiamine
Pyrimidines
1 Answer
127 votes
Answer Key / Explanation : (d) -
(d)
There are found total five nitrogenous bases in nucleic acids. Out of these adenine, guanine (purines) and cytosine, thymine (pyrimidines) are present in DNA, while RNA contains uracil in place of thymine (both pyrimidines) along with rest 3 similar to DNA.