391.
What would happen if lysosomes get ruptured inside the cells, in which they are present
A
Cella will swell
B
Cells willl die
C
Cells will shrink
D
Nothing would
Answer :
Cells willl die
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392.
Which base is present in RNA but not in DNA
A
Uracil
B
Thymine
C
Guanine
D
Cytosine
Answer :
Uracil
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393.
If genetic code is tetraplet then what is the possible number of codons which code 20 types of amino acids
A
261
B
64
C
256
D
43
Answer :
256
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394.
Which of the following cell organelles is responsible for extracting energy from carbohydrates to form ATP?
A
Ribosome
B
Chloroplast
C
Mitochondrion
D
Lysosome
Answer :
Mitochondrion
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395.
Pit membrane of simple pit is formed by
A
Secondary cell wall
B
Middle lamella
C
Primarycell walll
D
Plasma membrane
Answer :
Middle lamella
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396.
The cell organelle involved in glyco-sylation of protein is
A
ribosome
B
peroxisome
C
endoplasmic reticulum
D
mitochondria
Answer :
endoplasmic reticulum
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397.
A sequence of three consecutive bases in a t-RNA molecule which specifically binds to a complementary codon sequence in m RNA is known as
A
Triplet
B
Non-sense codon
C
Anti codon
D
Termination codon
Answer :
Anti codon
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398.
Which of the following is known as System of membrane
A
Lysosome
B
E. R.
C
Mitochondria
D
Chhloroplast
Answer :
E. R.
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399.
Method of DNA replication in which two strands of DNA separates and synthesize new strands
A
Dispersive
B
Conservative
C
Semiconservative
D
Non conservation
Answer :
Semiconservative
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400.
Ribosomes are the centre for
A
respiration
B
photosynthesis
C
protein synthesis
D
fat synthesis
Answer :
protein synthesis
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