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.Management Sciences
Category: Nucleo Proteins & Mineral Metabolism
R-RNA is mainly produced mainly in___________?
A. Nucleus
B. Nucleolus
C. Ribosome
D. Endoplasmic reticulum
Iron absorption is decreased in presence of all except____________?
A. Phytates
B. Ascorbic acid
C. Tannins
D. Phosphates
All are true of the genetic code except____________?
A. Degenerate
B. Universal
C. Punctuation
D. Non overlapping
Mutations are due to changes in_________________?
A. DNA nucleotide sequence
B. RNA nucleotide sequence
C. Amino acid sequence of ribonuclease
D. Cell walls
Unwinding of DNA is done by____________?
A. DNAse
B. Topo isomerase
C. Ligase
D. Reverse transcriptase
In all the following RNA participates directly except________________?
A. Post translation modification
B. Post transcriptional modification
C. DNA replication
D. Splicing
Inside the cell, the substance, which contributes to most of the osmolality, is________________?
A. Protein
B. Potassium
C. Urea
D. Phosphate
Transcription is the synthesis of____________?
A. Single stranded complimentary copy of DNA
B. Double stranded complimentary copy of DNA
C. Complimentary copy of RNA
D. COmplimentary copy of rRNA
DNA double helix is bound by_____________?
A. Covalent bond
B. Hydrogen bond
C. Disulfide linkage
D. Vander wall forces
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