861.
Nuclear pores are guarded by
A
DNA
B
Annulus
C
Protein
D
None of the above
Answer :
Annulus
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862.
DNA is present in
A
Chromosomes and dictyosomes
B
Chloroplst and lysosomes
C
Mitochondria and chloroplasts
D
Mitochondria and endoplasmic reticulum
Answer :
Mitochondria and chloroplasts
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863.
True statement for cellulose molecule
A
β - 1' - 4" linkage, unbranched
B
β - 1' - 4" linkage, branched
C
α - 1' - 4" linkage, branched
D
β - 1' - 6" linkage, unbranched
Answer :
β - 1' - 4" linkage, unbranched
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864.
Which of the following in a purine
A
Prokaryotes
B
Guanine
C
Thymine
D
Uracil
Answer :
Guanine
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865.
Which one of the following structures is an organelle within an organelle?
A
Ribosome
B
Peroxisome
C
ER
D
Mesosome
Answer :
Ribosome
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866.
Genetic information is carried by the long chain molecules which are made up of
A
Amino acids
B
Nucleotides
C
Chromosomes
D
Enzymes
Answer :
Nucleotides
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867.
Oxysome of mitochondria are concerned with
A
Photophosphorylation
B
Oxidative phosphrylation
C
Photorespiration
D
Digestion
Answer :
Oxidative phosphrylation
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868.
Which element is found in abundance in eukaryotic cell
A
Ca
B
P
C
Mg
D
S
Answer :
Ca
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869.
DNA molecules of each chromosome replicates in
A
G1 phase
B
G2 phase
C
S phase
D
Mitotic phase
Answer :
S phase
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870.
In polypeptide chain of 125 amino acids, if the 25th amino acid is mutated to UAA then
A
A polypeptide of 124 amino acid is formed
B
A polypeptide of 25 amino acid is formed
C
A polypeptide of 24 amino acid is formed
D
Any of the above can be possible
Answer :
A polypeptide of 24 amino acid is formed
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