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