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The two polynucleotide chains in DNA are...

The two polynucleotide chains in DNA are

A

parallel

B

discontinuous

C

antiparallel

D

semiconservative

Text Solution

Verified by Experts

The correct Answer is:
C

In 1953 James Watson and Francis Crick suggested that in a DNA molecule there are two polynucleotide chains arranged antiparallel or in opposite directions.
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NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-BIOMOLECULES-EXERCISE
  1. A competitive inhibitor of succinic dehydrogenase is

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  2. Which one of the following is not a constituent of cell membrane

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  3. The two polynucleotide chains in DNA are

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  4. About 98 percent of the mass of every living organism is composed of j...

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  5. One turn of the helix in a B- from DNA is approximately

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  6. Antibodies in our body are complex

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  7. Antiparallel strands of a DNA molecule means that :

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  8. An organic substance bound to and enzyme and essential for its activit...

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  9. An enzyme that can stimulate germination of barley seeds is

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  10. Nucleotides are building blocks of nucleic acids. Each nucleotide is a...

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  11. Which of the following is the simplest amino acid

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  12. Which one of the following hydrolyses internal phosphodiester, bonds i...

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  13. Which one of the following statements regarding enzyme inhibition is c...

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  14. Enzymes, vitamines and hormones can be classified into a single catego...

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  15. The catalytic efficiency of two different enzymes can be compared by t...

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  16. The most abundant element present in the plants is Or Which of th...

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  17. Which form of RNA has a structure resembling clover leaf?

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  18. The major portion of the dry weight of plants comrises of Or Fram...

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  19. Collagen is

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  20. Lipids are incoluble in water, because lipids molicules are

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