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WorksheetsImmersion
Total questions: 10
Worksheet time: 5mins
Purpose of cooling centrifuges
to cool the samples
to prevent enzymes/proteins from denaturation during isolation
to seperate the solvent and extract
to store the extract
Name the common technique used to analyze DNA in our labs.
Electrophoresis
Microscopy
PCR
Protein sequencing
In biotechnology, what does the acronym PCR stand for?
Permease chain reaction
Polymerase chain reaction
Polymerase chain resistance
Phosphorylase chain reaction
What is the purpose of a laminar flow hood in a biotech lab?
To maintain sterile conditions
To regulate temperature
To store chemicals
To conduct PCR reactions
What is the primary role of a spectrophotometer in a biotech lab?
Perform PCR reactions
Analyze protein structures
Record temperature of reactions
Measure absorbance of light by a sample
What is the function of an autoclave in a biotech lab?
Extract proteins from cells
Measure enzyme activity
Sterilize equipment and media
Analyze DNA sequences
What is the function of a pH meter in a biotech lab?
Analyze protein structures
Measure the acidity or alkalinity of a solution
Separate proteins
Amplify DNA
What is a plasmid in the context of genetic engineering?
A tool used to measure pH in the lab
A type of microscope
An enzyme used in DNA replication
A small, circular piece of DNA that can replicate independently of the chromosomal DNA
What is the function of a homogenizer in a biotech lab?
To sterilize equipment and media
To break down cell or tissue samples
To quantify RNA levels
To measure absorbance of light by a sample
Which technique is used to determine the concentration and purity of nucleic acids in a sample?
Gas chromatography
Mass spectrometry
Nuclear magnetic resonance spectroscopy
UV-Vis spectrophotometry
