Immersion

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