A genomic library is a collection of
Correct answer D. Both a and b
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MDCAT Biology MCQs
Page 43 of MDCAT Biology multiple-choice questions with answers. Tap an option to check yourself.
Page 43 of 54
- Biological Molecules 74
- Coordination and Control 72
- Biology Diagnostic 70
- Cell Structure and Function 67
- Biotechnology 65
- Reproduction 58
- Bioenergetics 55
- Circulation 50
- Inheritance 48
- Digestion 45
- Immunity 45
- Support and Movement 45
- Acellular Life (Viruses) 45
- Homeostasis 45
- Respiration and Gaseous Exchange 45
- Evolution 45
- Enzymes 45
- Cell Cycle 41
- Chromosome and DNA 40
- Biology Introduction 38
- Ecosystem 27
Lambda phage is
Correct answer A. Virus
Chimaeric DNA is also known as
Correct answer A. Recombinant DNA
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The enzyme which seals the foreign DNA into the vector is
Correct answer C. DNA ligase
Which one has antibiotic resistance gene for tetracycline and ampicillin?
Correct answer B. pBR 322
Natural extrachromosomal circular DNA molecules earrying genes for antibiotic resistance and fertility
Correct answer D. Plasmids
Commonly used restriction enzyme is
Correct answer C. EcoRI
First restriction enzyme was isolated by
Correct answer B. Hamilton O. Smith
Recombinant DNA contains DNA from
Correct answer A. 2 different sources
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In sickle cell Hb, which chain is affected?
Correct answer B. Beta Chain
X-Ray diffraction pattern of DNA was prepared by
Correct answer A. Rosalind Franklin
Which of the following cal kill mice if injected separately?
Correct answer C. Live S type pneumococcus
Centromere represents
Correct answer A. Primary constriction
A sugarcane cell has ____ chromosomes.
Correct answer D. 80
Sex chromosomes were 1″ discovered in
Correct answer C. Fruitfly
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Which is incorrect about nucleosome
Correct answer B. 8 histones as acidic proteins
Molecular basis of sickle cell anaemia was found by
Correct answer C. Vernone Ingram
Phenylketonuria is due to deficiency of
Correct answer B. Phenylalanine hydroxylase
Strand of DNA which is not transcribed is called
Correct answer C. Coding
Point mutations are represented as
Correct answer C. Alteration in sequence of DNA nucleotide