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Nucleo Proteins & Mineral Metabolism ( Biochemistry ) MCQs – Most Updated Medical MCQs

Nucleo Proteins & Mineral Metabolism ( Biochemistry ) MCQs – Most Updated Medical MCQs

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Latest Medical MCQs

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Latest Nucleo Proteins & Mineral Metabolism ( Biochemistry ) Mcqs

The most occurred mcqs of Nucleo Proteins & Mineral Metabolism ( Biochemistry ) in past papers. Past papers of Nucleo Proteins & Mineral Metabolism ( Biochemistry ) Mcqs. Past papers of Nucleo Proteins & Mineral Metabolism ( Biochemistry ) Mcqs . Mcqs are the necessary part of any competitive / job related exams. The Mcqs having specific numbers in any written test. It is therefore everyone have to learn / remember the related Nucleo Proteins & Mineral Metabolism ( Biochemistry ) Mcqs. The Important series of Nucleo Proteins & Mineral Metabolism ( Biochemistry ) Mcqs are given below:

In molecular cloning, Blue White screening is used for_______________?

A. To detect gene mutations
B. To screen for recombinant vectors
C. To identify desired chromosomal DNA insert in plasmid vectors
D. To detect host DNA in situ

Enzymes increase reaction rates by______________?

A. Inhibiting the backward reaction
B. Altering the free energy of the action
C. Enhancing the forward reaction
D. Decreasing the energy of activation

Which of the following is most important content of diet ?

A. Water
B. Protein
C. Vitamin
D. Minerals

In all the following RNA participates directly except________________?

A. Post translation modification
B. DNA replication
C. Post transcriptional modification
D. Splicing

Normal level of serum phosphorous is_____________?

A. 2.5 – 4.5 mgm%
B. 40-50 mgm%
C. 7-9 mgm%
D. 1-2 mgm%

Miscellaneous MCQs

Inside the cell, the substance, which contributes to most of the osmolality, is________________?

A. Urea
B. Potassium
C. Protein
D. Phosphate

Daily requirement of iron in man is_____________?

A. 10 microgram
B. 1gm
C. 10 mg
D. 20 mg

In human body which of the following trace element is next to iron_______________?

A. Cu++
B. Zn++
C. Ca++
D. Selenium

Ferritin – an inactive form of iron is stored in_____________?

A. Spleen
B. Gut
C. Liver
D. All of the above

Peroxidase enzyme contain______________?

A. Magnesium
B. Selenium
C. Chromium
D. Calcium

Translation occurs at______________?

A. Centrosome
B. Mitochondria
C. Nucleus
D. Ribosome

Chargaff rule states that___________?

A. A+G=T+C
B. A=U=T=G=C
C. A/T=G/C
D. A+T=G+C

Codons are present on_____________?

A. m-RNA
B. t-RNA
D. Ribosomal RNA

The portion of DNA in Which RNA polymerase binds and starts transcription is called______________?

A. Anti terminator
B. Terminator
C. Operator
D. Promoter region

Enzymes MCQs

End product of purine metabolism is______________?

A. Xanthine
B. Uric acid
C. Creatinine
D. Phosphates

All are true of the genetic code except____________?

A. Universal
B. Degenerate
C. Punctuation
D. Non overlapping

R-RNA is mainly produced mainly in___________?

A. Ribosome
B. Nucleolus
C. Nucleus
D. Endoplasmic reticulum

On complete hydrolysis of DNA we will get all the following except______________?

A. Phosphoric acid
B. Deoxy pentose sugar
C. Adenosine
D. Purine bases

Denaturation of double stranded DNA involves_______________?

A. It becomes single stranded irreversibly
B. It becomes single stranded reversibly
C. It gets broken down to nucleotides
D. It becomes double stranded irreversibly

Which of the following is used in recombinant DNA technology ?

A. Restriction endonucleases
B. Reverse transcriptase FISH
D. None of these

Transcription is the synthesis of____________?

A. Single stranded complimentary copy of DNA
B. Complimentary copy of RNA
C. Double stranded complimentary copy of DNA
D. COmplimentary copy of rRNA

Serum creatine kinase-3 (CK-3) is elevated in_______________?

A. Muscular dystrophy
B. Alcoholic cirrhosis
C. Myocardial infarction
D. Brain tumours

Ammonia produced by brain is trapped as_____________?

A. Uric Acid
B. Urea
C. Creatinine
D. Glutamine

The patient suffered from hypogondism, failure to thrive, lose of taste and unable to maintain stability. This shows the deficiency of_____________?

A. Zinc
B. Copper
C. Chromium
D. Potassium

The sigma subunit of prokaryotic RNA polymerase_______________?

A. Is inhibited by a-amanitin
B. Binds the antibiotic Rifampicin
C. Specifically recognizes the promoter site
D. Is part of the core enzyme

Iron absorption is decreased in presence of all except____________?

A. Tannins
B. Ascorbic acid
C. Phytates
D. Phosphates

Vitamins MCQs

Normal serum calcium level is_______________?

A. 19-21 mg/dl
B. 9-11 mg/dl
C. 4-6 mg/dl
D. 20-30 mg/dl

The normal value of serum potassium level is____________?

A. 5-5.8 meq/L
B. 3.8-5 meq/L
C. 2.8-3.8 meq/L
D. 6-7.2 meq/L

Highest binding of iron in plasma is seen with___________?

A. Transferrin
B. Hemoglobin
C. Ferritin
D. Ceruloplasmin

Kinase requires_______________?

A. Cu++
B. MN++
C. Mg++
D. Inorganic phosphate

Mutations are due to changes in_________________?

A. DNA nucleotide sequence
B. Cell walls
C. Amino acid sequence of ribonuclease
D. RNA nucleotide sequence

The initiation codon for protein synthesis is_____________?


Nonsense codons bring about__________________?

A. Pre-translational modification of protein
B. Elongation of polypeptide chain
C. Initiation of protein synthesis
D. Termination of protein synthesis

Unwinding of DNA is done by____________?

A. Ligase
B. Topo isomerase
C. DNAse
D. Reverse transcriptase

Which of the following process in involved in conversion of DNA to RNA___________?

A. Transduction
B. Conjugation
C. Translocation
D. Transcription

Restriction endonuclease cleaves______________?

A. Double stranded DNA
B. SIngle stranded RNA
C. SIngle stranded DNA
D. Polypeptide

Genes are_____________?

A. Lipoproteins
B. Deoxy ribonucleic acid
C. Ribonucleic acid
D. Chromo proteins

DNA double helix is bound by_____________?

A. Disulfide linkage
B. Hydrogen bond
C. Covalent bond
D. Vander wall forces

Which base is not found in DNA________________?

A. Guanine
B. Adenine
C. Cytosine
D. Uracil

Nucleo Proteins & Mineral Metabolism ( Biochemistry ) MCQs – Most Updated Medical MCQs