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BACE 2024 Try 1 Questions and Answers 100% Solved
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Exam of 9 pages for the course BACE at BACE (BACE 2024 Try 1)
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BACE 2024 Try 1chromatography - answer resins that bind proteins based on particular properties of the
proteins
spectrophotometer - answer measure the amount of light absorbed by a solution to
allow accurate quantitation of proteins, dna, and cells like bacteria
CRISPR - answer clustered regularly interspaced short palindromic repeats
the preservation of antibiotics for medical treatment act - answer passed in 2007-2009,
phase out nontherapeutic use of antibiotics in animal feed
chymosin - answer first artificially produced enzyme, registered and allowed by FDA
DNA barcoding - answer making species identification very easy, short sequence of an
organisms DNA
Food and Drug Administration - answer ensures that food and beverages are safe for
human consumption and that therapeutic drugs and devices are safe and effective
Environmental Protection Agency - answer protects human health and environment;
pesticides
USDA - answer ensures that agriculture and livestock are protected
Good Laboratory Practice - answer ensures that research and data generated by
company meet an internationally recognized level of quality
Good Clinical Practice - answer quality standard that governments use to establish their
own regulations for clinical trials involving human subjects
Quality assurance - answer oversees regulatory compliance and company quality
system including document control, internal and external audits, and record review
Safety Data Sheet - answer contains information on chemical storage, hazards, first aid,
reactivity, physical properties, and disposal
vacuum assisted pipet - answer measures volumes ranging from 1-25 ml, motorized
pump or bulb
pasteur pipet - answer no gradation marks, used for transferring of liquid
, volumetric pipet - answer most accurate volume assisted pipet, measure a single
specific volume
graduated pipet - answer similar to graduated cylinder, measures any volume in its
range
micropipette - answer measures volumes of 1 ml or less
pH - answer negative log of the hydrogen concentration, express as moles per liter
autoclave - answer sterilizing device using steam under pressure, killing most
microorganisms
Molarity - answer moles of solute/liters of solution (concentration)
Normality - answer the number of moles per liter of hydrogen ions donated
recombinant DNA - answer DNA that has been formed artificially by combining
constituents from different organisms.
psychrophillic - answergrow best in the cold (-15 to 10)
mesophilic - answergrow best between 15-40
thermophilic - answergrow best between 45-80
hyperthermophilic - answerabove 80°C
optical density - answerA measure of how many particles are suspended in a solution,
based on light scattering by the suspended particles.
assay - answerprocedure carried out to test or measure the activity of a drug or
biomolecule
starch hydrolysis test - answerPurpose:
•Differential test
•Detects the production of amylase
Results & interpretations:
1.Clearing of plate observed after iodine - Positive for amylase, positive for starch
hydrolysis
2.No clearing observed after iodine - neg for amylase & starch hydr.
Amylase is an exoenzyme that breaks down the sugar starch.
protist - answerprimary photosynthetic producer
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