Tag: zoology

Questions Related to zoology

From their experiments on Neurospora crassa, Beadle and Tatum proposed

zoology molecular basis of inheritance the search for genetic material dna structure and replication molecular genetics

  1. One gene one polypeptide hypothesis

  2. One gene one enzyme hypothesis

  3. One gene one function hypothesis

  4. Many genes one enzyme hypothesis

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Correct Option: B

Plant cell can be transformed through

zoology molecular basis of inheritance the search for genetic material dna structure and replication molecular genetics

  1. Electrolysis

  2. Electroporation

  3. Electrophoresis

  4. Electroduction

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Correct Option: B

Which is correctly matched ?

zoology molecular basis of inheritance the search for genetic material dna structure and replication molecular genetics

  1. Frederick Griffith - Discovered transformation

  2. Linus Pauling - Isolated DNA for first time

  3. Francis Crick - Proposed one gene - one polypeptide hypothesis

  4. George Beadle - Proposed concept of inborn errors

  5. Jacob and Monod Proposed Wobble hypothesis

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Correct Option: A

All the terminator codons begin with

zoology molecular basis of inheritance the search for genetic material dna structure and replication molecular genetics

  1. Guanine

  2. Uracil

  3. Cytosine

  4. Adenine

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Correct Option: B

DNA element with ability to change its position is

zoology molecular basis of inheritance the search for genetic material dna structure and replication molecular genetics

  1. Cistron

  2. Transposon

  3. Intron

  4. Recon

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Correct Option: B

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1. Amino acids may have more than one codon
2. All amino acids have more than one codon
3. Codons are common for higher and lower organisms
4. Codons are not found in bacteria

zoology molecular basis of inheritance the search for genetic material dna structure and replication molecular genetics

  1. 1, 2, 3 correct

  2. 1, 2 correct

  3. 2, 4 correct

  4. 1, 3 correct

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Correct Option: D

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1. Frederick Griffith - Transformation
2. Gamow - Triplet code
3. Meselson - Isolated DNA

zoology molecular basis of inheritance the search for genetic material dna structure and replication molecular genetics

  1. 1, 2, 3 correct

  2. 1, 2 correct

  3. 2, 3 correct

  4. 1, 3 correct

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Correct Option: A

What does the following signify

zoology molecular basis of inheritance the search for genetic material dna structure and replication molecular genetics

  1. Amino acid + ATP Aminoacyl AMP + PPi

  2. Chain termination

  3. Activation of amino acids

  4. Elongation of chain

  5. None of the above

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Correct Option: B

From bacteria to men, a near universal code for phenylalanine is

zoology molecular basis of inheritance the search for genetic material dna structure and replication molecular genetics

  1. UUU

  2. UUA

  3. UUG

  4. CUU

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Correct Option: A

Which one of the following acts as a catalyst in a bacterial cell

zoology molecular basis of inheritance the search for genetic material dna structure and replication molecular genetics

  1. hnRNA

  2. 23 S rRNA

  3. 5S rRNA

  4. snRNA

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Correct Option: B