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What are auxotrophs ?...

What are auxotrophs ?

A

A plant that responds by bending towards the sun

B

A mutant (organism) which has lost its ability to synthesize one or more essential compounds

C

An organism that depends on another organism for meeting its nutritional requirements

D

A plant that is able to synthesize its own carbohydrates

Text Solution

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The correct Answer is:
B
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MOTION-MOLECULAR BASIS OF INHERITANCE-EXERCISE - 2
  1. A segment of the DNA has a base sequence AAG GAG GAC CAA CCA, which of...

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  2. If the DNA condons are ATG ATG ATG and a cytosine base is inserted at...

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  3. What are auxotrophs ?

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  4. In recent years, DNA sequence (nucleotide sequence) of mt-DNA and Y ch...

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  5. A completely radioactive double standed DNA molecule undergoes two rou...

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  6. Consider the folowing sequence on m-RNA AUGGCAGUGCCA. Assuing that gen...

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  7. A normal DNA molecule is continuously replicate in N^(15) medium than ...

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  8. KHORANA synthesized two RNAs (a) with repeat sequence of AB and (b) w...

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  9. Which of the following m-RNA is translated completely :- (A) 5' AUG ...

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  10. In a m-RNA sequence of N(2) -bases in 5' AUG GUG CUC AAA'3. What the c...

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  11. Suppose evolution on earth has occurred in such a way that there are 9...

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  12. Assume that there are 6 types of nitrogen bases available and 40 types...

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  13. In a 3.2 Kbp long piece of DNA , 820 adenine bases were found. What ...

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  14. Which statement is correct ? (a) Degeneracy of code is related to, t...

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  15. Both the strand of DNA are not copied during transcription because :-

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  16. The salient feature of DNA are - (i) It is made of two polynucleotid...

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  17. Which is incorrect for genetic code - (i) The codon is triplet (i...

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  18. Which is correct - (i) t-RNA has an anticodon loop that has bases co...

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  19. E. colicells with a mutated z gene of the lac operon cannot grow in me...

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  20. DNA fingerprinting refers to

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