Molecular Basis of Inheritance

Question 1

what are the building blocks of genetic material?

Answer 1

DNA or RNA - Nucleic Acids

Question 2

_____ is the genetic material in most of the organisms

Answer 2

DNA

Question 3

___ is the genetic material in some viruses

Answer 3

RNA

Question 4

___ mostly functions as messengers

Answer 4

RNA

Question 5

_________________ is the polymer of nucleotides

Answer 5

polynucleotides

Question 6

____ and ____ are polynucleotide

Answer 6

DNA
RNA

Question 7

A polynucleotide has ___ components, _________________, _______________ and _________________

Answer 7

3
phosphate group
pentose sugar
Nitrogenous base

Question 8

there are ___ types of Nitrogenous bases ________ and ________

Answer 8

2
purines
pyrimidines

Question 9

Purines includes _________ AND ________

Answer 9

Adenine
guanine

Question 10

pyrimidines includes _____________, ____________ and ___________

Answer 10

Thymine
uracil
Cytosine

Question 11

A nitrogenous base is linked with pentose sugar with the bond known as? and forms a

Answer 11

N glycoside linkage
Nucleoside

Question 12

what is the difference between nucleosides and nucleotides

Answer 12

nucleosides lacks phosphate group while nucleotide has one

Question 13

A nucleoside containing adenine in RNA will be called as

Answer 13

Adenosine

Question 13

A nucleoside containing adenine in DNA will be called as

Answer 13

deyoxiadosine

Question 14

A nucleoside containing guanine in RNA will be called as

Answer 14

guanosine

Question 15

A nucleoside containing guanine in DNA will be called as

Answer 15

deoxyguanosine

Question 16

A nucleoside containing cytosine in RNA will be called as

Answer 16

Cytidine

Question 17

A nucleoside containing cytosine in DNA will be called as

Answer 17

deoxycytidine

Question 18

A nucleoside containing Uracil in RNA will be called as

Answer 18

Uridine

Question 19

A nucleoside containing thymine in DNA will be called as

Answer 19

deoxythymidine

Question 20

what differentiate RNA from DNA in its structure.

Answer 20

In RNA has extra OH group at its 2nd position of carbon (Ribose)