Advertisements
Advertisements
Question
A nucleoside differs from a nucleotide. It lacks the ______.
Options
phosphate group
hydroxyl group
sugar
base
Advertisements
Solution
A nucleoside differs from a nucleotide. It lacks the phosphate group.
APPEARS IN
RELATED QUESTIONS
Group the following as nitrogenous bases and nucleosides:
Adenine, Cytidine, Thymine, Guanosine, Uracil and Cytosine.
If a double stranded DNA has 20 per cent of cytosine, calculate the per cent of adenine in the DNA.
In some viruses, RNA is present instead of DNA indicating that ______.
In a DNA strand the nucleotides are linked together by ______.
Who amongst the following scientists had no contribution in the development of the double helix model for the structure of DNA?
While analysing the DNA of an organism a total number of 5386 nucleotides were found out of which the proportion of different bases were: Adenine = 29%, Guanine = 17%, Cytosine = 32%, Thymine = 17%. Considering the Chargaff’s rule it can be concluded that ______.
What is the nature of the strands of the DNA duplex?
Protein helping in opening of DNA double helix in front of replications fork is ______.
Synthesis of DNA from RNA is explained by ______.
By which bonds the purine and pyrimidine pairs of Complementary Strands of DNA held together?
There is no DNA in ______.
DNA is made of two chains that twist about one another in the shape of a ______.
Retroviruses do not follow central Dogma. Comment.
During in vitro synthesis of DNA, a researcher used 2’, 3’ – dideoxy cytidine triphosphate as raw nucleotide in place of 2’-deoxy cytidine. What would be the consequence?
A short piece of DNA, having 20 base pairs, was analyzed to find the number of nucleotide bases in each of the polynucleotide strands. Some of the results are shown in the table.
| Number of nucleotide bases | ||||
| Adenine | Cytosine | Guanine | Thymine | |
| Strand 1 | 4 | 4 | ||
| Strand 2 | 5 | |||
How many nucleotides containing Adenine were present in strand 2?
Polymerase chain reaction (PCR) amplifies DNA following the equation.
