UCI Bio 93 Midterm 1 Prep Test Questions With 100% Verified Solutions

UCI Bio 93 Midterm 1 Prep Test Questions With 100% Verified Solutions Active Transport - ANSWER When a cell uses energy to pump a solute across a membrane. Lyse - ANSWER Burst Phagocytosis - ANSWER A cell engulfs a particle Pinocytosis - ANSWER a cell continually "gulfs" droplets of extracellular fluids into tiny vesicles. Isotonic Solution - ANSWER Have Direct passage through the lipid bilayer - ANSWER Steroids, small hydrocarbons, nonpolar molecules, gases like CO2, O2 Needs transport proteins - ANSWER Hydrophilic, charged ions, larger molecules -Specific Transport protein for every substance. Channel - ANSWER Carrier Protein - ANSWER All transport proteins involved in active transport are ______________ - ANSWER Carrier proteins Sodium Potassium Pump - ANSWER Takes in 3 Na, Then an ATP gives a phosphate, then Na is released and 2 K are taken into cell. - ANSWER Sodium Potassium Pump What is ATP after giving up a phosphate - ANSWER ADP Co-Transporter - ANSWER Endocytosis - ANSWER Vesicle is former from plasma membrane, bringing external molecules inside cell Exocytosis - ANSWER Internal membrane vesicle fuses with plasma membrane, releasing molecules to outside 3 types of endocytosis - ANSWER Phagocytosis, Pinocytosis, and Receptor-Mediated Endocytosis LDL - ANSWER Low Density Lipoproteins HDL - ANSWER High Density Lipoproteins LDL Connects to ______, then _____ connects to the receptors, then ______ connects to the adaptin. - ANSWER LDL Receptors, Adaptin, Clathrin What Organelle creates ATP - ANSWER Mitochondria The sites of photosynthesis in plant cells - ANSWER Chloroplasts Process that converts sunlight into sugars for the plant - ANSWER Photosynthesis Cristae - ANSWER Inner membrane of mitochondria Flattened interconnected sacs in Chloroplasts - ANSWER Thylakoids A Stack of thylakoids - ANSWER Granum Fluid outside thylakoids that contains Chloroplast DNA/Ribosomes - ANSWER Stroma A specilized metabolic compartment bounded by a single membrane. - ANSWER Peroxisome A network of fibers extending throughout the cytoplasm - ANSWER Cytoskeleton Obvious function of the cytoskeleton - ANSWER Support and maintain the shape of the cell Cell motility - ANSWER changes in cell location and movement Interacts with the cytoskeleton to help it move - ANSWER Motor Proteins Fibers that make up cytoskeleton - ANSWER Microtubules, Microfilaments, Intermediate Filaments Which cytoskeleton fiber is the thickest? - ANSWER Microtubules What cytoskeleton fiber is the thinnest? - ANSWER