Pima JTED Bioscience Practice Test

These questions are part of the practice quiz. Start practicing

• What is a water bath used for in laboratory settings?
• What is the effect of excessive decolorization during gram staining?
• What does the term "sequence" refer to in genetics?
• What represents the free floating nucleotides used in DNA replication?
• What is the definition of 'proteome'?
• What is the main responsibility of the Arizona Department of Environmental Quality (AZDEQ)?
• What is the primary use of an analytical balance?
• What is the main function of an antigen?
• What is DNA primarily composed of?
• What results indicate gram-positive bacteria after staining?
• What technique separates ions and polar molecules based on their affinity to an ion exchanger?
• What does the term "propagate" mean in the context of microbiology?
• What is a characteristic of hydrophobic interaction chromatography?
• What is the primary purpose of both UV and visible spectrophotometers?
• What is the purpose of a hot plate/stirrer?
• Which type of DNA polymerase is specifically utilized for PCR?
• In electrophoresis, what happens to proteins during SDS-PAGE?
• What is the primary use of a beaker in the laboratory?
• What area of ethics focuses specifically on biological research?
• Which growth medium is often used to cultivate bacteria in liquid form?
• What technique is used to measure the concentration of bacteria in a liquid culture?
• Which item is essential for ensuring safety in laboratory experiments?
• What defines a solution in a biochemical context?
• Which lens of the microscope is responsible for producing magnification?
• Which of the following best describes the term "culture" as a noun?
• Which term refers to the continuous evaluation of data over a long period?
• What is the definition of DNA replication?
• What does a scatter/line graph typically represent?
• What does the term 'tractable' refer to in scientific research?
• What is the key benefit of using PCR in genetic research?
• What does transmittance measure in a spectrophotometric analysis?
• What is an assay used for?
• What is resolution in the context of microscopy?
• How can 0.0000000028 be expressed in scientific notation?
• What is the function of an anode in an electrophoresis box?
• What is a ladder/standard/marker used for in electrophoresis?
• Which document is essential for understanding how to safely use chemicals?
• What distinguishes a flask from other glassware?
• What is the purpose of personal protective equipment (PPE) in a laboratory?
• What best describes the relationship between antibodies and antigens?
• Which technique is specifically utilized for amplifying DNA sequences?
• What is the primary function of a microscope slide?
• What is the function of a cuvette in spectrophotometry?
• What is a unique characteristic of gram-positive bacteria?
• What is the purpose of semi-log graph paper in scientific experiments?
• What type of glassware is used to store media such as LB broth?
• What type of analysis is MEGA primarily designed to perform?
• Which organization is NOT involved in environmental regulation?
• What is the function of a thermal cycler in PCR?
• What does a heat block primarily do?
• What does it indicate when a specimen appears colorless after gram staining?
• What does size exclusion chromatography primarily utilize to separate molecules?
• What is the function of a western blot?
• Which organism is often used as a model in molecular biology to study gene function?
• What is the purpose of a weigh paper in a laboratory setting?
• What does it mean to propagate in a laboratory setting?
• Which device is essential for precise mass measurements in the laboratory?
• What is the function of a mordant in a staining process?
• What prefix in the metric system indicates 1 thousandth of the standard unit?
• What role does a decolorizer play in the staining process?
• What defines a plasmid in prokaryotic cells?
• What is the typical size range for DNA strands analyzed using the Sanger method?
• Which term describes the process of reducing solute concentration in a solution?
• What is the purpose of serial dilution?
• Which stage of PCR involves the addition of complementary bases by Taq polymerase?
• What aspect of liquid nitrogen makes it useful for microbiology?
• What is the function of a biological safety cabinet?
• How is a slant culture typically prepared?
• Which practice is likely to minimize risks in production?
• In laboratory practice, what is the main purpose of using hot hands?
• What is the primary role of a buffer in a biochemical reaction?
• What does a spectrophotometer directly compare during its analysis?
• Which feature is NOT typically associated with databases like Flybase?
• What is the purpose of adding a stain before electrophoresis?
• What is the definition of wavelength in the context of light waves?
• Which method is commonly used in microbiology for isolating colonies on solid media?
• What laboratory instrument measures light transmitted through a sample relative to wavelength?
• Why is sodium hypochlorite widely used in laboratories?
• What is the role of DNA polymerase in DNA replication?
• What is a glycerol stock used for in microbiology?
• What is the role of a primer in DNA replication?
• What is the process of electrolysis primarily used for?
• What does it mean when a hypothesis is deemed 'testable'?
• What type of information is usually included in a safety symbols guide?
• What category of literature is described as professional literature that has not been peer reviewed?
• In thin layer chromatography (TLC), what phenomenon is primarily responsible for the separation of analytes?
• What purpose does the vertical electrophoresis chamber serve in SDS-PAGE?
• Which statement about denaturation is accurate?
• Which agency generates and regulates safety symbols?
• What is the standard operating procedure (SOP)?
• Which of the following statements is true regarding incubation temperatures?
• What is the process of separating one molecule from another by rinsing it with a solvent called?
• What does PAGE stand for in the context of electrophoresis?
• What are amino acids in relation to proteins?
• What role does dNTP serve in the PCR process?
• Which of the following best describes a shaking incubator?
• What characterizes a sticky end after a restriction digest?
• What is λmax (lambda max) in the context of absorbance?
• What does % M/V (percent mass volume) indicate?
• What characterizes a simple stain?
• What is the primary purpose of PCR (polymerase chain reaction)?
• What is the purpose of an abstract in scientific literature?
• Why is an electrophoresis chamber essential in a laboratory?
• Ethics can be defined as behavior governed by which principles?
• Which item is specifically designed to protect hands when dealing with extreme temperatures?
• What is the primary function of a centrifuge in the laboratory?
• What characteristic of a model organism makes it suitable for research?
• What is a common example of a pre-stain used before electrophoresis?
• What is one of the main outcomes of RNA transcription?
• What type of separation does column chromatography rely on?
• What does it mean to elute in chromatography?
• What does gene regulation involve?
• What does magnification refer to in microscopy?
• What does it mean when a substance is described as hydrophilic?
• When is a post-stain applied during the electrophoresis process?
• What are safety symbols designed to indicate?
• Which process does affinity chromatography utilize?
• What is the main function of ligase in DNA replication?
• What is the function of helices during DNA replication?
• What is the function of a stir bar?
• In the context of electrophoresis, what is 'gel' primarily made of?
• What is the purpose of the RCSB PDB?
• Which enzyme is responsible for generating a primer during DNA replication?
• Which of the following is not a function of a graduated cylinder?
• What is an exon?
• What does the term antiparallel refer to in DNA structure?
• What is a pure culture?
• Which of the following is NOT a component of the master mix used in PCR?
• What does a secondary stain do in the staining procedure?
• Who can be considered a stakeholder in a given situation?
• What does the E-value indicate when searching a sequence database?
• How do organizations use trend analysis effectively?
• What type of charge does the cathode have in an electrophoresis box?
• What term refers to the statistical value that shows the difference between the highest and lowest values in a set?
• What range of wavelengths does a UV spectrophotometer operate within?
• What is the prefix that denotes 1 billionth of the standard unit in the metric system?
• What is differential staining used for?
• What does SNP stand for in genetic terms?
• What is one key use of the NCBI resource?
• What does PCR stand for?
• What is the primary characteristic of the air flow in a laminar flow hood?
• What is the role of an electrophoresis chamber?
• In solution chemistry, what does the term 'solvent' specifically refer to?
• What does the National Institute of Health (NIH) focus on?
• Which of the following best describes a plasmid in relation to transformation?
• Which molecules does PAGE primarily separate?
• What is recombinant DNA?
• What is the purpose of loading dye in electrophoresis?
• What is the purpose of gram staining in microbiology?
• Which term describes techniques and methods generally accepted by the majority of an industry?
• During electrophoresis, DNA migration refers to:
• What is the main goal of inoculating a sterile medium?
• Which statement accurately reflects the intent of Standard Operating Procedures (SOP)?
• What does the 2nd stop of a micropipette accomplish?
• What does leveling a balance ensure?
• What occurs during the denaturation of a protein?
• What term is used to describe a change in the sequence of nucleotides in DNA?
• What does a pump do in a lab context?
• What is an operon?
• In a centrifuged tube, what is referred to as the supernatant?
• What is a characteristic feature of a test tube?
• For which purpose would a UV spectrophotometer typically be utilized?
• What distinguishes a tabletop balance from an analytical balance?
• Which assay utilizes a non-specific protein binding dye for identification?
• What is the purpose of a tip on a micropipette?
• Why is a disposable tip used with a micropipette?
• What statistical method is used to visualize the relationship between two variables?
• In a solution, what does the term solute refer to?
• What is a primer in the context of DNA research?
• What does the term sterilize mean in microbiology?
• What is molarity in the context of biochemical solutions?
• Which term describes the outcome variable in an experiment?
• What does liquid nitrogen provide in the context of microbiological storage?
• What is referred to as the primary stain in microscopy?
• Which technique involves forming incomplete nucleic acid fragments?
• What does a direct ELISA test specifically detect?
• How is quality assurance best defined?
• In a set of values, which term describes the middle value when arranged numerically?
• What type of information does Flybase provide?
• What are antibodies primarily composed of?
• Which of the following represents the most frequent number in a data set?
• What is the purpose of the Globally Harmonized System (GHS)?
• What is a column/bar graph primarily used for?
• Which aspect of quality management focuses on testing the final product?
• What is a buffer solution?
• What type of samples does SDS-PAGE separate?
• Why is the BLAST tool significant in genomics?
• What is a common use for an incubator in a microbial lab?
• What does dilution refer to in terms of solution concentration?
• What is the initial step in the process of PCR?
• During which stage of PCR do primers bond to the template DNA?
• Common Industry Practice (CIP) primarily refer to which of the following?
• What term refers to a liquid growth medium used in microbiology?
• What is the primary function of the Food and Drug Administration (FDA)?
• What does the 1st stop on a micropipette refer to?
• What is the main goal of protein precipitation?
• What functionality does MEGA provide?
• What type of bond holds the strands of DNA together?
• What characterizes next generation sequencing methods?
• What does the term "culture" refer to as a verb in microbiology?
• What is the primary purpose of a DNA/plasmid preparation method?
• What results from a blunt end restriction digest?
• What does the term SI units refer to?
• What is the main purpose of an autoclave in a laboratory setting?
• What is a "slant" in microbiology?
• What is the role of a control in an experiment?
• What is an intron?
• What does the process of gene regulation ultimately affect?
• What defines a "stab" culture in microbiology?
• Genetically modified organisms (GMO) are defined as organisms that have:
• Which of the following best describes the process of transformation?
• What temperature condition occurs during the denature stage of PCR?
• What does standard deviation measure in a set of values?
• What does a restriction enzyme do?
• In statistics, which term best describes a data set with very closely clustered values?
• What is the significance of using a fume hood in laboratory experiments?
• What purpose does a gel tray serve in electrophoresis?
• What does electrophoresis primarily use to separate molecules?
• What does the term "inversion" signify in genetics?
• In the context of manufacturing, what does quality assurance primarily focus on?
• What is scientific notation primarily used for?
• In a scientific experiment, what is the importance of having a control variable?
• What is the primary function of a cathode in electrophoresis?
• What is the significance of the dye front in electrophoresis?
• Which of the following describes the operation of an autoclave?
• Quality assurance typically involves which of the following?
• What is the main difference between a shaking incubator and a standard incubator?
• What is a hypothesis?
• What is the calculated average of a set of values known as?
• What is a nucleotide?
• What information does a safety data sheet (SDS) provide?
• In which method are the dideoxynucleotides utilized?
• What is the role of a thermal cycler in PCR?
• What information does a safety data sheet (SDS) provide?
• What is a protein assay generally used for?
• What is alternative splicing?
• What type of graph is used to visualize the relationship of two or more variables?
• What is the purpose of a comb in gel electrophoresis?
• What is a micropipette primarily used for?
• What does CFU stand for in microbiology?
• What range of wavelengths does a visible spectrophotometer measure?
• Which method utilizes chemical modification of DNA followed by cleavage at specific bases?
• Which technique is primarily used to analyze the size of proteins?
• Which of the following best defines a mixture?
• In the context of manufacturing, cGMP regulations primarily aim to promote?
• In an experiment, what is an independent variable?
• What does the tare function on a balance do?
• Why is it important to use a fixative in staining procedures?
• Hydrophobic substances are likely to be found where?
• What does the term 'variable' mean in the context of an experiment?
• What is the purpose of the BLAST tool?
• What is a biological stain used for in microscopy?
• What is the purpose of using CFU in microbiology?
• What is the purpose of trend analysis?
• What does the term 'transformation' most commonly refer to in genetics?
• What does personal protective equipment (PPE) refer to?
• Which of the following describes the role of risk management?
• What is the purpose of a western blot technique?
• Which prefix in the metric system indicates 1 millionth of the standard unit?
• What does the process of propagation involve in microbiology?
• What is the function of a forward primer in PCR?
• To which action does the term 'dispense' refer in the context of a micropipette?
• What does "copy number variant" refer to?
• What is the primary purpose of the Occupational Safety and Health Administration (OSHA)?
• Which protein assay method can cause a color change due to interaction with copper?
• Which statistical measure is defined as the value that occurs the most in a data set?
• What does column chromatography primarily rely on for separation?
• What type of glassware would you use to mix small quantities of liquids?
• Which process utilizes a spectrophotometer at 600 nm?
• What does trend analysis help organizations understand?
• Which aspect is crucial for maintaining product quality over time?
• Which chromatography method involves the separation of molecules based on their hydrophobicity?
• Which protein identification technique involves protein-copper chelation leading to a color change?
• What term describes a sample collected during chromatography elution?
• What is "DNA Subway" primarily used for?
• What does the term 'pellet' refer to after centrifugation?
• What does the reverse primer do during PCR?
• What does the term "mean" specifically refer to in statistics?
• Why is tap polymerase significant in PCR?
• What is sodium hypochlorite commonly used for?
• Which component of a solution is known to dissolve the solute?
• What does absorbance measure in a spectrophotometric analysis?
• What does SIP stand for in the context of industry practices?
• Which agency is responsible for defining safety regulations for the workplace?
• What is Genom.org?
• What is a key characteristic of a serological pipet?
• What does peer review ensure regarding information quality?
• What does the term 'statistical significance' imply in an experiment?
• In DNA, what do the bases A, T, G, and C represent?
• What type of polysaccharide from algae is commonly used to solidify growth media?
• Which type of organism is designated as a model organism?
• What type of sample would typically be heated in a heat block?
• What is column chromatography primarily used for?
• What safety measure does a fume hood provide in the lab?
• What volume range does a serological pipet typically measure?
• What does the process of sterilization aim to achieve?
• What is the primary focus of risk management?
• What characterizes gram-negative bacteria?
• What type of sequencing was considered the first generation?
• How is concentration typically expressed in a solution?
• What term describes a substance that is repelled by water?
• Why is a literature review important in scientific research?
• In microbiology, what does the term 'sterilization' commonly imply?
• What process is used to detect proteins on a membrane after gel electrophoresis?
• What is the function of a graduated cylinder?
• Which of the following best describes the term "buffer" in a laboratory setting?
• Which of these metrics is used to determine the spread of a set of numbers?
• What does an assay aimed at protein quantification help determine?
• Which of the following best illustrates the concept of bioethics?
• Which chromatography technique is primarily used for separating molecules based on their size?
• What does molar mass represent?
• What is a blank solution used for in spectrophotometry?
• What is a standard curve used for in laboratory experiments?
• What are nucleic acids primarily composed of?
• What does a DNA band represent in electrophoresis?
• What is M/V (mass volume) concentration?
• What type of study would typically involve the use of a cell line?
• Why is it important to eliminate background noise when measuring absorbance?
• Which of the following best describes an enzyme linked immunosorbent assay (ELISA)?
• What do the regulations under cGMP focus on?
• During DNA synthesis, where are the nucleotides added?
• What is the function of a power source in an electrophoresis setup?
• Which enzymes are responsible for copying and repairing DNA strands during replication?
• What organization manages NCBI?
• What is the main function of a weigh boat?
• What stage allows for DNA strands to become single stranded in the PCR process?
• What is a serological pipet made of?
• Which type of DNA is referred to as genomic DNA?
• What is the purpose of SDS-PAGE?
• What is PCR primarily used for in biotechnology?
• What characteristic of a plasmid makes it valuable in recombinant technology?
• What does the term 'extract' refer to in biochemical processes?
• Which unit is used to express absorbance?
• What type of environment does a biological safety cabinet provide?
• What does concentration refer to in a solution?
• What is the range in the context of a set of values?
• What is the general term for a solid or liquid growth substance used for microbial cultures?
• Which glassware is closed at one end?
• Which of the following stains is commonly used as a post-stain?
• When preparing a solution, what would typically be the first step in adjusting concentration?
• What does an indirect ELISA primarily measure?
• What happens to proteins during PAGE in terms of their state?
• Which piece of equipment is essential for separating components based on density?
• What is the goal of implementing quality control?
• What is the function of a piper in a laboratory?
• How does a laminar flow hood minimize sample contamination during experiments?
• What type of document is referred to as a white paper?
• What equipment is specifically designed to culture organisms at a set temperature?
• What is a restriction/recognition site?
• What does the "copy number" aspect of “copy number variant” imply?
• What defines a cell line in biological research?
• Which of the following best describes the relationship between ethics and stakeholders?
• What would be an example of gray literature in scientific research?
• What does quality control involve?
• What is meant by the term 'aliquot' in a laboratory context?
• What is the purpose of shotgun sequencing?
• What is the procedure known as restriction digest?
• What is the primary purpose of the inoculation process?
• What does the symbol lambda (ƛ) represent in spectrophotometry?
• What is a plasmid?
• What is a Standard Operating Procedure (SOP)?
• What is the purpose of a cover slip in microscopy?
• What is a translocation in the context of genetics?
• Which method primarily focuses on quantifying proteins in a sample?
• What is the role of a diluent in a solution?
• What is defined as the factor of an experiment that is altered as a result of the independent variable?
• What is the typical capacity of a micropipette?
• What does a pie/circle graph illustrate?
• How many particles are in one mole, according to the mole concept?
• What is the primary goal of Good Laboratory Practices (GLP)?
• What does "homologous" mean in genetics?
• Which process continually tests a product for consistent quality?
• What are wells used for in electrophoresis?
• What does the term 'genome' refer to in bioscience?
• Which staining technique is commonly used to differentiate bacterial types?
• What is the Sanger method of sequencing known for?
• What is the primary role of buffer solutions in biological processes?
• What is a literature review in research?
• Which agency focuses primarily on human and environmental health?
• Which component of a microscope is crucial for achieving high magnification?
• What does transformation refer to in genetic engineering?