Question

Which one is a correct match of three items and their grouping category ?

A. `{:("Items","Group"),("Malleus, incus, cochlea " -,"Ear ossicles"):}`
B. `{:("Items","Group"),("llium, ischium, pubis " -,"Coxal bones of peivic girdle"):}`
C. `{:("Items","Group"),("Actin, myosin, rhodopsin " -,"Muscle proteins"):}`
D. `{:("Items","Group"),("Cytosine uracil, thymine " -,"Pyrimidines"):}`

Answer 1

Correct Answer - D
There are total five nitrogenous bases found 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.