To form a nucleoside, a nitrogenous base is linked to a pentose sugar:

1. Through a P-Glycosidic linkage at carbon atom number 1
2. Through a P-Glycosidic linkage at carbon atom number 5
3. Through an N-Glycosidic linkage at carbon atom number 1
4. Through an N-Glycosidic linkage at carbon atom number 5

Subtopic:  The DNA |
 75%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


The lac Y gene codes for permease, which increases the permeability of the cell to:

1. Glucose 2. Galactose
3. cAMP 4. β-galactosides

Subtopic:  Gene Regulation: Lac Operon |
 71%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


Nucleosomes constitute the repeating subunits of a structure in the nucleus called:

1. Nucleoid 2. Chromatid
3. Solenoid 4. Chromatin
Subtopic:  DNA Packaging |
 73%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


advertisementadvertisement

In the genetic code, the codon UUC codes for:

1. Methionine 2. Phenylalanine 
3. Tyrosine 4. Valine

Subtopic:  Genetic Code |
 76%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


Which of the following helps in the termination of transcription?

1. Sigma factor 2. Translocase
3. Ubiquitin 4. Rho factor

Subtopic:  Transcription |
 93%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


Which enzyme polymerizes RNA with defined sequences in a template independent manner?

1. Peptidyl transferase
2. RNA polymerase
3. Reverse transcriptase
4. Polynucleotide phosphorylase

Subtopic:  Genetic Code |
 55%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


advertisementadvertisement

Which of the following is true for both transcription and DNA replication?

1. The principle of complementarity governs the processes
2. Only if the two strands act as a template
3. Only a segment of both strands is involved
4. Adenine base pairs with thymine

Subtopic:  DNA Replication | Transcription |
 78%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


Histones are rich in amino acids:

1. Arginine and Lysine
2. Arginine and Leucine
3. Arginine and Isoleucine
4. Aspartate and Glutamate

Subtopic:  DNA Packaging | Solved Problems |
 95%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


The amino acid acceptor arm of the tRNA is at its:

1. DHU loop 2. TψC loop
3. 5’ end 4. 3’ end

Subtopic:  Translation |
 60%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


advertisementadvertisement

RNA is not the genetic material in:

1. Tobacco mosaic virus 2. QB bacteriophage
3. HIV 4. Archaebacteria

Subtopic:  Search for Genetic Material |
 75%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.