Question

62. A crystal is said to be face centred when one extra atom (or molecule) lies at en centre of:
(a)Two sides
(b) Four sides
(c)Each of the six faces of the cube
(d) The cube

Answer 1

Answer:

hey thanks for the free points dear ❤️

Answer 2

Answer:

NUCLEIC ACIDS: Nucleic acids are

polymers of nucleotides and are

macromolecules. These are two types of

nucleic acids namely – deoxyribonucleic

acid (DNA) or ribonucleic acid (RNA).

Nucleotide serves as the building block of

nucleic acid.