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