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Molecular Basis of Inheritance · Question 166

AIPMT 2000MCQEasy📈 Topic in 25% papers+4−1
1

In three dimensional view the molecule of t-RNA is:

  1. E-shaped
  2. L-shaped
  3. S-shaped
  4. Y-shaped

Answer

(2) L-shaped

Solution

As per NCERT, the secondary structure of tRNA is depicted as a clover-leaf; in actual (three-dimensional) structure the tRNA is a compact molecule that looks like an inverted L.

Answer: (2)

AIPMT 2000

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2

Similarity in DNA and RNA:

  1. Both have similar sugar
  2. Both are genetic material
  3. Both have similar pyrimidine
  4. Both are polymer of nucleotides
AIPMT 2000
3

Which is the most important factor for continuity of a species from evolutionary point of view?

  1. Formation of gametes
  2. Synthesis of proteins
  3. Replication of genetic material
  4. None of these
AIPMT 2000

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