Uci Bio 93 Midterm 1 Study Guide Rated A+

How does smooth ER detoxify poisons? {Ans: Adding H+ to break it down.}What part of the nucleus makes ribosomes? {Ans: The nucleolus}The bicarbonate buffer system {Ans: H2CO3 --><--- HCO3- + H+}Where does transcription happen? {Ans: The Nucleus}What cell organelle's main role is digestion and waste disposal? {Ans: Lysosomes}Which end is dynein on? {Ans: -}Pinocytosis {Ans: a cell continually "gulfs" droplets of extracellular fluids into tiny vesicles.}Isotonic Solution {Ans: }What are the 2 types of fats? {Ans: Saturated and unsaturated}Catalysts {Ans: Chemical agents that speed up chemical reactions}Methyl {Ans: Monomer is Methylated compounds}Exocytosis {Ans: Internal membrane vesicle fuses with plasma membrane, releasing molecules to outside}Hydroxyl {Ans: Covalently bonded to Carbon Soluble in Water}Fibers that make up cytoskeleton {Ans: Microtubules, Microfilaments, Intermediate Filaments}What organelle is known as a "Membrane Factory" {Ans: The Rough ER}Tonicity {Ans: The ability of a surrounding solution to cause a cell to gain or lose water}What is a ligand? {Ans: A molecule that specifically binds to another, often larger, one}Isotonic {Ans: No net movement of water across the plasma membrane.}What is not part of the Endomembrane system? {Ans: Mitochondria}What