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Question
Distinguish between Nitrogen base and a base found in inorganic chemistry.
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Solution 1
| Nitrogen base | Base in inorganic chemistry |
| An organic molecule containing Nitrogen and has some chemical properties of a base. | Inorganic base is a substance they are metal oxides or hydroxides. Base is also a substance that can donate pair of electrons to other elements to form new molecule. |
| Nitrogen is an odourless, colourless & tasteless gas so reacts easily with other elements. | Characters of a base- Base is soapy or slimpy substance bitter in taste. |
| This reactivity makes it an important part in compounds necessary for life | React with acid-precipitate to form salts |
2 Types-
|
Turn red litmus to blue. |
| Chemistry of nitrogenuous bases is key in the functioning of DNA (allows complementary base pairing) |
Solution 2
- Nitrogenous Base:
- Nitrogenous bases are organic molecules containing the element nitrogen & act as a base in the chemical reaction.
- e.g. Adenine, Thymine
- Base:
- Bases are the substance that release hydroxide (OH– ) ions in an aqueous solution.
- e.g. NaOH and Ca(OH)2
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Give any three differences between DNA and RNA.
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If Adenine makes 30% of the DNA molecule, what will be the percentage of Thymine, Guanine, and Cytosine in it?
When you take cells or tissue pieces and grind them with an acid in a mortar and pestle, all the small biomolecules dissolve in the acid. Proteins, polysaccharides and nucleic acids are insoluble in mineral acid and get precipitated. The acid soluble compounds include aminoacids, nucleosides, small sugars etc. When one adds a phosphate group to a nucleoside, one gets another acid soluble biomolecule called ______.
Draw a neat diagram for the following:
AMP
Which of the following statements are correct?
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-
In animals foot and mouth disease spreads by direct or indirect contact.
-
Anthrax is a disease of domestic animals caused by Bacillus anthracis.
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Rinderpest is a contagious bacterial disease of cattle.
What are the nucleotides?
Match List - I with List - II.
| List - I | List - II |
| A. Adenosine | I. Nitrogen base |
| B. Adenylic acid | II. Nucleotide |
| C. Adenine | III. Nucleoside |
| D. Alanine | IV. Amino acid |
Choose the option with all correct matches.
