Pub Med (First year activities)

Dispersed, lightly staining or nonstinging material, found in an active cell a. Heterochromatin b. Euchromatin c. Condensed chromatin d. All of the above

Which sentence is incorrect about frozen section? a. Water-free tissues are hardened by freezing b. Faster than traditional paraffin section c. Used in operations to achieve a quick diagnosis d. Used in immunohistochemist

Which connective cell that its cytoplasm is basophilic and metachromatic: a) mast cell b) fat cell c) plasma cell d) fibroblast

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Which structure contains the proteolytic core of the 26S proteasome? A. 19S B. 20S C. 30S D. 40S