This practice exam/final review is recommended for Biology I students. The practice questions are designed to simulate an actual exam so that students can gauge their knowledge and obtain experience in writing exams. Please note, the practice exam in no way reflects the material that will be on the actual exam, nor the difficulty, nor the structure and is not affiliated with the course or professor. It is simply “practice” and bears no marks. What is the proper order of a signaling pathway, Receptor Activation ii. Termination iii. Signal Transduction iv. Response I, ii, iii, iv I, iii, iv, ii Iii, I, iv, ii Iv, I, iii. ii A small nonpolar molecule is the only type of ligand for; Ligand Gated Ion Channels b. Protein Kinase Receptors Cytoplasmic Receptors Both a and b Microtubules that are used during anaphase of mitosis are able to separate sister chromatids due to their; Dynamic Instability Catastrophic Depolarization Ability to fall apart Dynamic Retrieval If an individual has a defect in their genes that code for keratin, this could result in? Improper cell division Excessive hair growth