Which one of the following chemical characteristics is not common to all living beings ?

A. Similar triplet codes for amino acids

B. Energy is stored by high energy rich phosphate bonds

C. Types of protein present in the body.

D. Ribosomes act at sites of protein synthesis

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  1. The number of characters investigated by Mendel was
  2. Transfer of a gene or genes through a virus is called
  3. Some people experience PTC paper on tongue as bitter, others as tasteless. This character is hereditary…
  4. The science dealing with study of inheritance and variation is
  5. Among the following which is a test cross?
  6. Dyad is
  7. The best method to determine whether an individual is homozygous or heterozygous is
  8. When is the sex of an offspring decided
  9. Which one of the following chemical characteristics is not common to all living beings ?
  10. An offspring of two homozygous parents different from one another by alleles at only one gene locus…
  11. The genetic constitution of an organism is known as
  12. Mutations which are not dominant are not lost by a gene pooL This is known as
  13. Which disease results from the genetic inability to synthesize a single enzyme ?
  14. Exhibition of superiority by a hybrid over both of its parents is called
  15. Linkage is
  16. A codon is a sequence of 3 nucleolides on
  17. How many meiosis will be required to produce 102 pollen-grains ?
  18. The first person to induce mutations was
  19. The segment of DNA which participates in crossing over is known as
  20. Down's syndrome is an example of
  21. Albinism in com plants is best described as
  22. If an individual does not breed true for its characters, it is called
  23. When two genes are situated very close to each other in a chromosome
  24.  A person meets with an accident and great loss of blood has occurred. There is no time to analyse…
  25. The scientists who rediscovered the Mendel's laws are
  26. In the Operon concept, the regulator gene regulates chemical reactions in the cell by
  27. Colour blindness is caused due to
  28. Reverse transcription was discovered by
  29. In a monohybrid cross the Fi ratio of a backcross is
  30. The possibilities of hereditary and evolutionary changes are greatest in species that reproduce by