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.
Which property of DNA double helix led Watson and Crick to hypothesise semi-conservative mode of DNA replication? Explain.
Both deoxyribose and ribose belong to a class of sugars called ______.
How far is each base pair from the next one in DNA double helix model?
There is no DNA in ______.
DNA is made of two chains that twist about one another in the shape of a ______.
______ occurs in RNA instead of the nitrogenous base thymine found in DNA.
Retroviruses do not follow central Dogma. Comment.
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?
What is the smallest part of a DNA molecule that can be changed by a point mutation?
A nucleotide is the monomer unit of a nucleic acid. Which of the following correctly identifies the three components of a nucleotide?
Which of the following nitrogenous bases is classified as a purine with a double-ring structure?
In a polynucleotide chain, nucleotides are linked together by which type of bond?
The backbone of a polynucleotide chain is formed by which components?
A dinucleotide is formed by linking two nucleotides together. The bond formed between them is:
Which of the following nitrogenous bases is classified as a purine with a double-ring structure?
Which end of a polynucleotide chain contains a free phosphate group?
The 3′ end of a polynucleotide chain is characterized by the presence of:
Why is the name 'deoxyribonucleic acid' appropriate for DNA?
