Lipid modifications of Wnt are catalyzed by the 

O-acetyltransferase Porcupine.

TLS Online TPP Program

#Id: 4474

#Unit 13. Methods in Biology

Unobstructed direct light passes through a region of the phase plate that both transmits only a small percentage of the light and changes its phase slightly

TLS Online TPP Program

#Id: 4475

#Unit 13. Methods in Biology

Phase-contrast microscopy is suitable for observing single cells or thin cell layers.

TLS Online TPP Program

#Id: 4476

#Unit 13. Methods in Biology

Differential-interference-contrast (DIC) microscopy based on splitting of light into two and then recombining them to observe their interference pattern.

TLS Online TPP Program

#Id: 4477

#Unit 13. Methods in Biology

DIC microscopy is used for visualizing extremely small details and thick objects.

TLS Online TPP Program

#Id: 4478

#Unit 13. Methods in Biology

DIC microscopy easily defines the outlines of large organelles, such as the nucleus and vacuole.

TLS Online TPP Program

#Id: 4479

#Unit 13. Methods in Biology

Formaldehyde a common fixative, crosslinks amino groups on adjacent molecules