Among the options provided, which acid is classified as a vitamin?
1. | Aspartic and | 2. | Ascorbic acid |
3. | Adipic acid | 4. | Saccharic acid |
Carbon atoms of pentose sugars of nucleotides having phosphodiester linkage are -
1. 5' and 3'
2. 2' and 5'
3. 5' and 5'
4. '3 and 3'
Nucleic acids are the polymers of :
1. Nucleosides
2. Nucleotides
3. Bases
4. Sugars
The incorrect statement among the following regarding glucose is -
1. | It is an aldohexose. |
2. | n-Hexane is formed when glucose is heating with HI. |
3. | It is present in furanose form. |
4. | It does not give 2, 4- DNP test. |
Each polypeptide in a protein has amino acids linked with each other in a specific sequence. This sequence of amino acids is said to be .....
1. Primary structure of proteins
2. Secondary structure of proteins
3. Tertiary structure of proteins
4. Quaternary structure of proteins
RNA does not contain -
1. Adenine
2. Uracil
3. Thymine
4. Cytosine
Which of the following B group vitamins can be stored in our body?
1. Vitamin
2. Vitamin
3. Vitamin
4. Vitamin
DNA does not have -
1. Adenine
2. Thymine
3. Cytosine
4. Uracil
There cyclic structures of monosaccharides are given below which of these are anomers.
(1) I and II (2) II and III
(3) I and III (4) III is anomer of I and II
Which one of the following reactions of glucose can be explained only by its cyclic structure?
1. | Glucose forms pentaacetate. |
2. | Glucose reacts with hydroxylamine to form an oxime. |
3. | Pentaacetate of glucose does not react with hydroxylamine. |
4. | Glucose is oxidized by nitric acid to saccharic acid. |