A) Circular B) Double helix C) Single strand D) Triple helix
A) Stabilizes the genetic information B) Carries genetic information from DNA to the ribosome C) Replicates DNA D) Translates proteins into genetic code
A) A segment of DNA that regulates gene expression B) An enzyme in the nucleus C) A protein subunit D) A three-nucleotide sequence in mRNA that codes for a specific amino acid
A) Golgi apparatus B) Nucleus C) Endoplasmic reticulum D) Mitochondria
A) Circular DNA molecule found in bacteria that can replicate independently B) Segment of chromosomal DNA C) Small RNA molecule involved in protein synthesis D) Large protein structure in the cell membrane
A) Gene cloning B) DNA sequencing C) PCR (Polymerase Chain Reaction) D) Gel electrophoresis
A) Connects mRNA and ribosomes B) Stabilizes the genetic code C) Transcribes DNA D) Transfers amino acids to the ribosome
A) Translation B) Replication C) Mutation D) Transcription
A) DNA polymerase B) Topoisomerase C) Ligase D) Helicase
A) The English physicist William Astbury B) James Watson C) Francis Crick D) Rosalind Franklin
A) 1953 B) 1869 C) 1945 D) 1962
A) James Watson, Francis Crick, and Maurice Wilkins B) Rosalind Franklin, Erwin Chargaff, and Max Perutz C) Gregor Mendel, Friedrich Miescher, and Phoebus Levene D) William Astbury, Rosalind Franklin, and James Watson
A) The laws of inheritance through studies on pea plants B) The double helix model of DNA C) Chargaff's rule D) The discovery of DNA structure
A) James Watson B) Erwin Chargaff C) Francis Crick D) Phoebus Levene
A) Genetics, biochemistry, physics, mathematics, and computer science (bioinformatics) B) Chemistry, engineering, and philosophy C) Physics, chemistry, and astronomy D) Biology, geology, and meteorology
A) Frederick Griffith B) Gregor Mendel C) Francis Crick D) James Watson
A) 1944 B) 1905 C) 1928 D) 1953
A) Mutation B) Genetic recombination C) Horizontal gene transfer (HGT) D) Vertical gene transfer
A) It produces toxins that kill the host. B) It lacks genetic material. C) Its polysaccharide capsule prevents recognition by the host's immune system. D) It has a rough colony appearance.
A) Using mass spectrometry. B) Via radioactivity or fluorescence. C) By measuring pH changes. D) Through electron microscopy.
A) Gel electrophoresis B) Transfection C) Site-directed mutagenesis using PCR D) Transformation
A) 595 nm B) 620 nm C) 465 nm D) 700 nm
A) Transformation B) Transduction C) Transfection D) Conjugation
A) 20–25 nucleotides. B) 50–100 nucleotides. C) 5–10 nucleotides. D) 30–40 nucleotides.
A) Centrifuge B) Microscope C) Spectrophotometer D) Kitchen blender
A) Semiconservative replication B) Conservative replication C) Dispersive replication D) Non-conservative replication
A) Northern blotting B) Microarrays C) Eastern blotting D) Western blotting
A) Polymerase chain reaction (PCR) B) Transfection C) Gel electrophoresis D) Molecular cloning
A) Transformation B) Transduction C) Replication D) Conjugation
A) Transformation B) Conjugation C) Transfection D) Transduction
A) Standard PCR B) Reverse transcription PCR (RT-PCR) C) Gel electrophoresis D) Molecular cloning
A) No antigens B) The same type C) Different types D) Only one common type
A) ~500 micrometre diameter B) ~200 micrometre diameter C) ~50 micrometre diameter D) ~100 micrometre diameter
A) Polyacrylamide gel electrophoresis B) SDS-PAGE C) 2D gel electrophoresis D) Agarose gel electrophoresis
A) Predicting genetic mutations. B) Studying biomolecules 'from the ground up'. C) Focusing on chemical substances in living organisms. D) Using computer science techniques.
A) Radioactive hydrogen B) Radioactive phosphorus C) Radioactive sulfur D) Radioactive carbon
A) SYBR Green B) Methylene blue C) Ethidium bromide D) Coomassie Brilliant Blue G-250
A) Salmonella typhimurium B) Escherichia coli C) Streptococcus pneumoniae D) Bacteriophage
A) Nylon membranes B) Polyvinylidene fluoride (PVDF) C) Nitrocellulose D) Silicon chips
A) Standard PCR B) Gel electrophoresis C) Molecular cloning D) Quantitative PCR
A) Magnesium chloride B) Strong alkaline buffering agents such as sodium dodecyl sulfate (SDS) C) Proteins D) Ethanol
A) Electrophoresis B) Capillary action C) Centrifugation D) Chromatography
A) 1960s B) 1980s C) 1970s D) 1990s
A) Gel electrophoresis. B) Chromatography. C) X-ray crystallography. D) Viscometry.
A) Edwin Southern B) Marion M. Bradford C) Patricia Thomas D) Kary Mullis
A) Northern blotting B) Microarrays C) Western blotting D) Eastern blotting
A) RNA electrophoresis. B) Chemiluminescence C) DNA hybridization. D) Microarray spot analysis.
A) Northern blotting uses antibodies, while western blotting does not. B) Northern blotting is used for gene expression profiling. C) Western blotting detects post-translational modifications. D) Northern blotting analyzes RNA, while western blotting analyzes proteins.
A) Silicon chips B) Polyvinylidene fluoride (PVDF) C) Nitrocellulose D) Nylon |