SKI2088 2024-2025 Week 1

This is a picture of a P1000 pipette. What is the volume (in ul) that you are pipetting?

• 760

• 76

• 7.6

• 0.76

A P20 pipet is able to:

• Pipet volumes of min. 20 µl

• Pipet volumes of min. 20 ml

• Pipet volumes of max. 20 µl

• Pipet volumes of max. 20 ml

When using a micropipette, the second stop is used to expel all the fluid?

• True

• False

What does the letter "S" stand for on a pipetting balloon?

• Stop

• Suction

• Serological

• Save

If liquid was drawn up to exactly the zero mark and then dispensed to the mark indicated by the red arrow. How much liquid was dispensed?

• 4.0 ml

• 3.2 ml

• 0.8 ml

• 3.0 ml

Who was the inventor of the first ever pipet?

• Mr. Einstein

• Mr. Schnitger

• Mr. Pasteur

• Mr. Gilson

“Proteins are large chains of”

• Nucleic acids

• Carbohydrates

• Amino acids

• Lipids

Transcription is the conversion of mRNA into proteins?

• True

• False

The protease inhibitors added to the RIPA lysis buffer prevents...

• Protein breakdown

• Protein synthesis

• Protein phosphorylation

• Cell lysis

What does the Bradford assay measure?

• RNA concentration

• DNA concentration

• Protein concentration

• Lipid concentration