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Mutation in DNA occurs due to changes in...

Mutation in DNA occurs due to changes in the sequence of

A

nitrogeneous bases

B

ribose units

C

phosphate units

D

hydrogen bonds

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The correct Answer is:
A
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Give one word for the following : (i) Phenomenon which results in alternation of DNA sequences of consequently results in changes in the genotype and the phenotype of an organism. (ii) Type of mutation that arise due to change in a single base pair of DNA.

MODERN PUBLICATION-BIOMOLECULES-Competition file (OBJECTIVE TYPE QUESTIONS) (A. MULTIPLE CHOICE QUESTIONS)
  1. Night-blindness may be caused by the deficiency of vitamin

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  2. Vitamin A is called:

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  3. The only vitamin with metal atom in it is

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  4. Enzymes are regarded as

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  5. Which of the following B group vitamins can be stored in our body?

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  6. Which of the following hormones is an amino acid derivative?

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  7. The best source of vitamin C is :

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  8. Nucleic acids are polymers of

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  9. The three dimensional structure of DNA was elucidated

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  10. Which of the following bases is not present in DNA

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  11. The chemical change in DNA molecule that could lead to synthesis of pr...

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  12. In nucleic acid, corresponding nucleotides are linked together by -

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  13. The relationship between the nucleotide triplets and the amino acid is...

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  14. Mutation in DNA occurs due to changes in the sequence of

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  15. Chargaff' a rule states that in an organism:

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  16. Which of the following statement is not correct?

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  17. The bond formed as the result of dehydration synthesis reaction betwee...

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  18. The number of hydrogen bonds between adenine and thymine in DNA molcul...

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  19. Which of the following gives maximum energy in metabolic process?

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  20. Phospholipids are esters of glycerol with

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