Which of the following codons has a dual role in the genetic code?
1. | AUG | 2. | GUG |
3. | CUG | 4. | UUG |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Frederick Griffith discovered:
1. | DNA is the genetic material |
2. | RNA can be the genetic material |
3. | Streptococcus has two strains |
4. | Bacterial transformation |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
In Avery, Macleod, and McCarty's experiment, the transformation of bacteria was inhibited by:
1. | Proteases | 2. | RNase |
3. | DNAs | 4. | None of these |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Which of the following is a pyrimidine base found in DNA?
1. | Adenine | 2. | Guanine |
3. | Uracil | 4. | Cytosine |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Which of the following is also called soluble RNA?
1. | tRNA | 2. | rRNA |
3. | mRNA | 4. | siRNA |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
A typical nucleosome unit consists of about:
1. | 60 base pairs | 2. | 140 base pairs |
3. | 200 base pairs | 4. | 400 base pairs |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
At any instant, RNA is transcribed on which of the following strands of DNA?
1. | Coding strand | 2. | Template strand |
3. | Lagging strand | 4. | Leading strand |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
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 |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Nucleosomes constitute the repeating subunits of a structure in the nucleus called:
1. | Nucleoid | 2. | Chromatid |
3. | Solenoid | 4. | Chromatin |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
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 |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.