Voici, ci-dessous, une description de la 2ème partie de votre CCF en anglais : l'expression orale :
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Appuyez sur le lien ci-dessous pour regarder la vidéo intitulée "MTT Assay Cell Viability" et faire les questions ci-dessous :
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I. Fill in the gaps using these key words from the text.
absorbance // colorimetric // control // crystals // enzymes // mitochondria // protocol // solvent // viability // yellow
1) The MTT assay is described as a …………………. method.
2) The MTT reagent is originally ………………………….in color.
3) Living cells turn MTT into purple ………………
4) The reaction is driven by specific ………………inside the cell.
5) These enzymes are located in the ……………….
6) The test measures metabolic activity as an indicator of cell …………..
7) A …………………..is added to dissolve the formazan crystals
8) The lab __consists of six main steps.
9) The machine measures the intensity of color using…………………..
10) Untreated healthy cells are called the ……………………….group.
II. Find the following information in the text.
1) What problem was the MTT assay invented to solve?
2) What does the MTT assay measure instead of counting cells directly?
3) Name two scientific applications of the MTT assay.
4) In which part of the cell does the color change reaction occur?
5) How many steps are there in the MTT assay protocol?
6) What type of lab plate is commonly used for this test?