NOCTI Biomed- Nocti Questions and Answers 100% Correct | Graded A+ T

The federal agency that is responsible for funding and overseeing research is the... - national institute of health Why is polymerase chain reaction (PCR) an important technique in biotechnology? - PCR takes a small amount of DNA and increases its quantity so that it can be analyzed Bacterial transformation is used to... - introduce genes into bacteria to produce a product, such as insulin 0.010 ml is equivalent to - 10.0 ul The three properties of molecules that cause them to separate on agarose gel electrophoresis are size, shape and.. - charge Which of the following can grow without oxygen? - anaerobe The NFPA label has a 3 in the blue triangle section. This informs the scientist that it... - is a moderate health hazard DNA fingerprinting is used to - identify others Some geneticists believe that all of the genomes are sequenced to look for genes which might cause diseases. What is the major worry about this? - insurance companies might deny coverage What is PPE designed to protect the body from? - absorption The three components of the fire triangle are - oxygen, heat and fuel Successful teamwork involves group leadership, shared responsibility, and... - role assignment To correct a written error in a laboratory notebook strike through with a single line, date, initial, and... - insert the correct information Why do scientists load DNA of known sizes into agarose gel? - it is easier to determine size of unknowns using comparison techniques When preparing a Tris buffer, which of the following solutions would be the best choice to use to adjust the ph to 7.5 if the starting ph is 11.0? - hydrochloric acid solution An autoclave provides sterilization by... - high temperature steam under high pressure Which objective lens provides the greatest field of view? - 4x A thermocycler is used in what process? - polymerase chain reaction Ion exchange chromatography separates compounds of a mixture based on the.. - affinity of the components for a charged matrix Most pathogenic bacteria prefer what temperature for growth? - 37 degrees celsius A lab technician needs to measure out 25.5 mg of DNA. How would this appear on an analytical balance? - 0.0255 g Set of principles that guide how laboratory studies are planned... - GLP Most effective method of instrument sterilization relies on the use of... - steam heat What is the relationship between absorbance and transmittance of light through a sample in a spectrophotometer? - Absorbance has a logarithmic relationship to the transmittance To denature DNA, a thermocycler must reach what temp? - Be