Histology (HT/HTL exam): Fixation questions with correct answers

Endoplasmic Reticulum - Answer H&E basophilic staining within cytoplasm is due to what cellular structure? Pink - Answer Cytoplasm will show up what color on an H&E? 20 - Answer Proteins are made up of combinations of how many amino acids? Carboxyl group, side group - Answer All amino acids have an amino group and what other groups? Amphoteric - Answer Proteins can be _______, meaning they can be an acid or a base. Peptide bonds - Answer Amino acids are linked by what type of bonds? Tertiary - Answer Additive and non-additive fixatives affect what structure of a protein? Additive: 10% BNF, Non-additive: Ethyl Alcohol - Answer Give an example of an additive and a non-additive fixative. CH2O - Answer The side group for formaldehyde