Blog

Side angle scatter (SSC) is measured by flow cytometers. What does a SSC measurement indicate?

You are measuring viability of your cell population with trypan blue. You observe 10, 15, 12, and 11 clear cells and additional 2, 4, 5, and 2 blue cells in the appropriate squares of the hemocytometer. If you loaded 0.02ml of you cell suspension and 0.02ml of trypan blue, and you have 5mL of cell suspension, how many viable cells do you have?

One of the two driving forces that force the flow of inorganic ions through an open channel in a cell membrane is?

The four stages of wound healing and the foreign body response are the same except

A biocompatible material will not be encapsulated in a fibrotic capsule if implanted subcutaneously for an extended period of time (6 months).

Cell-surface receptors have hydrophilic ligands.

The term Vmax, in Michaelis-Menten kinetics, can be interpreted as?

You are looking at a hematoxylin and eosin image of a 2-week explant of a new material that you were testing for biocompatibility implanted subcutaneously. You immediately conclude that the material is not biocompatible. Why?

When ribose is part of a nucleic acid sequence, the nitrogenous base is on carbon 5.

The Jung Corporation’s production budget calls for the following number of units to be produced each quarter for next year:Budgeted production Quarter 1 45,000 units Quarter 2 38,000 units Quarter 3 34,000 units Quarter 4 48,000 units   Each unit of product requires three pounds of direct material. The company’s policy is to begin each quarter with an inventory of direct materials equal to 30% of that quarter’s direct material requirements. Budgeted direct materials purchases for the third quarter would be: