Central dogma of molecular biology - Quiz
A) The degradation of RNA molecules B) The copying of one RNA to another C) The synthesis of DNA from RNA D) The translation of RNA into protein
A) Ribosomal peptide synthetases B) DNA-dependent RNA polymerases C) Reverse transcriptases D) RNA-dependent RNA polymerases
A) Only in prokaryotes B) In many eukaryotes C) Only in prions D) Exclusively in bacterial plasmids
A) DNA replication B) Intein excision C) RNA silencing D) Nonribosomal peptide synthesis
A) The destruction of messenger RNA B) The conversion of proteins into RNA C) An RNA sequence being altered by a protein complex and a guide RNA D) The creation of DNA from a protein template
A) It must be converted into carbohydrates B) It is immediately destroyed by enzymes C) It cannot flow back from protein to nucleic acid D) It can easily flow back to nucleic acid
A) The replication of prions in host cells B) The direct translation of proteins back into DNA C) The synthesis of RNA without a DNA template D) Editing of protein amino-acid sequences by appropriate enzymes after translation
A) Only in eukaryotes B) Only in viruses C) Yes D) No
A) Homing endonucleases B) RNA-dependent RNA polymerases C) Nonribosomal peptide synthetases D) Ribosomes
A) Double-stranded nucleic acid backbones B) Cyclic or branched structures and non-proteinogenic amino acids C) Lack of any peptide bonds D) Linear structures and standard amino acids only
A) All ribosomal enzymes B) Most DNA polymerases C) Some of the antibiotics D) Prion proteins
A) A parasitic segment of a protein that is able to excise itself B) A non-proteinogenic amino acid C) A type of virus that replicates RNA D) A guide RNA used in RNA editing
A) Replicates the ribosomal RNA B) Destroys the entire protein backbone C) Excises itself from the chain and rejoins the remaining portions D) Converts the protein into a nucleic acid
A) An RNA silencing domain B) A homing endonuclease or HEG domain C) A prion conformation domain D) A nonribosomal peptide synthetase domain
A) The synthesis of nonribosomal antibiotics B) The reversal of the central dogma C) The DNA double-stranded break repair mechanism D) The immediate degradation of the host cell
A) Nonribosomal peptide synthetases B) Proteins of particular amino acid sequences in particular conformations C) Small RNA-dependent polymerases found in eukaryotes D) Enzymes that edit RNA sequences
A) By excising themselves from protein backbones B) By copying their own nucleic acid sequences C) By translating RNA directly into new prions D) By making conformational changes in other molecules of protein with the same amino acid sequence
A) Protein → Nucleic acid B) RNA → DNA → Protein C) Protein → Protein D) Nucleic acid → Protein → Nucleic acid
A) Rosalind Ridley B) Watson and Crick C) Not mentioned in the text D) Alain E. Bussard and Eugene Koonin
A) The prion hypothesis is not heretical to the central dogma because it does not claim that proteins replicate B) Proteins are capable of manufacturing nucleic acid sequences C) The prion hypothesis completely destroys the central dogma by proving protein replication D) Prions prove that information flows backward from proteins to DNA
A) Francis Crick B) James Watson C) Gregor Mendel D) Rosalind Franklin
A) 1965 B) 1955 C) 1970 D) 1958
A) 1980 B) 1958 C) 1965 D) 1970
A) Watson and Crick B) Francis Crick C) James Watson D) Gregor Mendel
A) 1970 B) 1958 C) 1965 D) 1975
A) Neither remains valid B) Crick's original version C) Both are equally valid D) Watson's version
A) Branched homopolymers B) Circular lipids C) Cross-linked polysaccharides D) Linear heteropolymers
A) Four B) Two C) One D) Three
A) Random and spontaneous B) Inconsistent and unstable C) Faithful, deterministic transfers D) Chaotic and reversible
A) Four B) Three C) Two D) One
A) Codons B) Polymers C) Monomers D) Templates
A) Somatic cells B) Human mitochondria C) Plant chloroplasts D) Bacterial ribosomes
A) RNA polymerase B) Transcription factors C) Ribosomes D) The replisome
A) Complementary daughter strand B) Polypeptide chain C) Template mRNA strand D) Pre-mRNA transcript
A) Replication B) Splicing C) Translation D) Transcription
A) Complementary DNA B) Pre-mRNA C) Polypeptide D) Mature mRNA
A) Translation B) Splicing C) Duplication D) Replication
A) Within the endoplasmic reticulum B) Inside the cell nucleus C) At a ribosome D) At the Golgi apparatus
A) The nuclear pore B) The nucleolus C) The cell nucleus D) The cytoplasm
A) UAG B) UAA C) UGA D) AUG
A) Adenine-uracil-cytosine B) Alanine-uracil-glycine C) Adenine-uracil-guanine D) Adenine-thymine-guanine
A) UAA B) UCA C) AUG D) GUA
A) MET B) UGA C) AUG D) ACC
A) AUG B) ACU C) UAG D) GUU
A) Retroviruses B) Inteins C) Codons D) Cofactors
A) Initiation factors B) Elongation factors C) Chaperone proteins D) Reverse Transcriptase
A) August Weismann B) Albert Einstein C) Jacques Monod D) Horace Freeland Judson
A) Without foundation B) As experimentally proven C) As central dogma D) As absolute truths
A) Little direct experimental support B) Universal acceptance C) No theoretical backing D) Extensive experimental support
A) Horace Freeland Judson B) August Weismann C) Francis Crick D) Jacques Monod
A) A religious law B) A proven fact C) A catch phrase D) A sacred truth
A) August Weismann B) Jacques Monod C) Horace Freeland Judson D) Francis Crick
A) 1953 B) 1900 C) 1882 D) 1892
A) Immortal B) Temporary C) Somatic D) Disposable
A) Permanent B) Disposable C) Germline D) Immortal
A) Religious terms B) Non-molecular terms C) Molecular terms D) Quantum terms |
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