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TLS Online TPP Program

#Id: 8019

ECOLOGICAL RELEASE
Ecological release is the expansion of range, habitat, and/or  resource usage by an organism.

#Unit 10. Ecological Principles #Concept of habitat and niche #Part B Pointers
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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
TLS Online TPP Program

#Id: 4480

#Unit 13. Methods in Biology

Histological samples are often stained with hematoxylin and eosin (“H&E stain”).
TLS Online TPP Program

#Id: 4481

#Unit 13. Methods in Biology

Hematoxylin binds to basic amino acids (lysine and arginine).
TLS Online TPP Program

#Id: 4482

#Unit 13. Methods in Biology

Eosin binds to acidic molecules (DNA and side chains of aspartate and glutamate).