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Consider the following statements regarding DNA replication and choose the correct answer:<br>1. The very first requirement of DNA synthesis is the presence of a template or plan along which the new strand is to be constructed<br>2. The second requirement is of a DNA-dependent-DNA polymerase or simply DNA polymerase enzyme<br>3. A DNA Pol cannot join two free nucleotides; one of them must be anchored by hydrogen bonds to a DNA strand<br>4. Replication takes place bidirectionally
A
1, 2, 3 and 4 are true
B
Only 2 and 4 are true
C
Oniy 2, 3 and 4 are true
D
Only 1 and 2 are true
Correct Answer:
1, 2, 3 and 4 are true
Consider the following statements regarding chain elongation during DNA synthesis and choose the correct answer:
1. The separated strands are kept open by DNA binding proteins (DBPs)
2. A DNA chain is initiated on the 3'- OH end of the primer
3. Okazaki fragments are synthesized on one strand; there is continuous DNA synthesis in the other strand
4. Okazaki fragments are joined by endonuclease
A
1, 2, 3 and 4 are true
B
Only 2, 3 and 4 are true
C
Only 1, 2 and 3 are true
D
Only 1, 3 and 4 are true
Consider the following statements and choose the correct answer:
1. Adenine pairs with thymine (A : T) and guanine with cytosine $$\left( {G \vdots C} \right)$$
2. Adenine and thymine are joined by three hydrogen bonds through atoms
3. Guanine and cytosine are joined by two hydrogen bonds through atoms
4. The weak hydrogen bonding enables the two strands of the DNA to separate during replication
A
Only 1 and 2 are true
B
Only 2 and 3 are true
C
Only 3 and 4 are true
D
Only 1 and 4 are true
You transcribe a gene and obtain mRNA. To detect which strand is transcribed you replicate each strand in vitro and use the newly synthesized strand for hybridization with mRNA. If mRNA hybridize with the newly replicated strand from 1st strand then the gene transcribed was in ________
A
1st strand
B
2nd strand
C
Same copy in both strands
D
Dispersed
Consider the following statements regarding cell cycle and choose the correct answer:
1. During G
1
phase the cell grows in size and there is an active synthesis of RNA and proteins
2. The third stage of the cell cycle is termed G
2
phase
3. In the mitotic phase, the DNA molecule of each chromosome replicates by the synthesis of a new DNA molecule on the template of the existing DNA
A
Only 1 and 2 are correct
B
Only 2 and 3 are correct
C
Only 3 is correct
D
Only 1 and 3 are correct
Which among the following statements regarding filing Rejoinder/Replication in a suit, as per the Code of Civil Procedure 1908, are correct?
1. Rejoinder/ Replication is filed as a matter of Right
2. Provision of filing Rejoinder/ Replication is contained under Order VIII of the Code of Civil Procedure
3. Rejoinder/Replication may be filed only after due permission of the Court.
4. Rejoinder/Replication is a part of pleading.
Select the correct answer:
A
1, 3 and 4
B
1, 2 and 3
C
2 and 4 only
D
2, 3 and 4
Consider the following processes which are preparatory to cell division during interphase and choose the correct answer:
1. Replication of DNA takes place
2. The centrioles divide, forming a pair of new centrioles
3. Synthesis of energy-rich compounds which provide energy for mitosis
4. Synthesis of proteins which are later found in the spindle
A
Only 1 is true
B
Only 1 and 2 are true
C
Only 2 and 4 are true
D
1, 2, 3 and 4 are true
Word 2010 has a particular template that it uses when you first open the program. This template contains default styles, no text and you also use it when you create new, blank documents. As you customize styles, marcos and other elements these settings are automatically stored in this template. What is the name of this template file?
A
Standard.dotx
B
Normal.dotx
C
Empty.dotx
D
Template.dotx
Consider the following statements.
1. When evaporation takes place, cooling takes place.
2. Evaporation takes place at all temperature, boiling takes place only at the boiling point.
3. Evaporation is a surface phenomenon.
Which of the statements given above is/are true?
A
Only 1
B
1 and 2
C
2 and 3
D
1, 2 and 3
Who were the first to suggest that one strand of DNA might act as a template for the synthesis of its complementary strand?
A
Meselson and Stahl
B
Watson and crick
C
Walter Flemming
D
Rosalind Franklin and Maurice Wilkins
In an experiment you use DNA pol I – Klenow fragment. When all other requisites for replication are added, then what will be the effect on the newly replicated DNA? Consider leading strand only.
A
No difference from intact DNA pol I replication
B
Replication will be slower
C
Replication will be error prone
D
DNA produced will be shorter