Central dogma is
Correct answer B. Basic mechanism of reading and expressing genes
Topic / 40 questions
Chromosome and DNA MCQs
Page 2 of Chromosome and DNA multiple-choice questions with answers. Tap an option to check yourself.
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- 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
The sequence of nucleotides that determines the amino acid sequence of a protein is
Correct answer D. Gene
In alkaptonuria
Correct answer C. Both a and b
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The length of okazaki fragments in eukayotes is
Correct answer D. 100-200 nucleotides
Which statement is correct?
Correct answer C. Lagging strand is constructed discontinuously.
Repliication always proceeds in a direction
Correct answer C. Both directions
Rate of DNA replication by DNA polymerase is
Correct answer B. 1000 nucleotides / sec
The true E.Coli replicating enzyme is
Correct answer C. DNA polymerase III
In semi-conservative replication
Correct answer A. Sequence of original duplex is conserved after one round of replication
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DNA has a helical shape with the diameter of
Correct answer C. 2 nm
In DNA
Correct answer D. Both a and b
DNA contains
Correct answer D. Purines (A and G) pyrimidines (T and (c)
Who discovered DNA?
Correct answer C. Friedrich Miescher
Transfer of genetic material from one cell to another that can alter the genetic makeup of recipient cell is called
Correct answer B. Transuction
A tortion of chromatin that is condensed only during cell division is
Correct answer A. Euchromatin
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Histones have abundance of amino acids
Correct answer B. Arginine and lysine
A typical human chromosome contains ____ nucleotides in its DNA
Correct answer B. 140 million
Chromosomes are composed of
Correct answer D. 60% protein and 40% DNA
Chromosome is made of
Correct answer A. 2 chromatids +1 centromere +secondary constriction
Which is incorrect?
Correct answer C. 1st evidence of hereditary nature of DNA provided by Friedrich Meischer