Phase-contrast microscopy generates image in which degree of darkness or brightness of a region of specimen depends on the refractive index of that region.

TLS Online TPP Program

#Id: 6487

#Unit 3. Fundamental Processes

TBP–DNA complex. TBP (purple) is complexed with the DNA TATA sequence (gray) found at the start of many Pol II genes. 

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#Id: 9758

#Unit 6. System Physiology – Plant

Plant species produce cysteine protease, which disrupt the

peritrophic membrane that protects the gut epithelium of many insects.

TLS Online TPP Program

#Id: 5790

#Unit 7. System Physiology – Animal

Thyroglobulin is a glycoprotein contains 123 tyrosine residues, but only 4–8 of these are normally incorporated into thyroid hormones.

TLS Online TPP Program

#Id: 6717

#Unit 8. Inheritance Biology

Replica plating method - Isolation of auxotroph

TLS Online TPP Program

#Id: 3091

#Unit 3. Fundamental Processes

wo other proteins needed for division, ZipA and FtsA.