AP Biology Unit 1 Test questions with correct answers

water CORRECT ANSWER -polar molecule -polar colvalent bonds -oxygen end is partial negative and the hydrogens have a partially positive end -cohesive polar covalent bonds CORRECT ANSWER -opposite ends of the molecule have opposite charges cohesion CORRECT ANSWER -H bonding between H2O creates it (sticky) -allows for the movement of water against gravity -high surface tension -water moves up a tree by transpiration (helped by ____) adhesion CORRECT ANSWER -H2O molecules form H bonds with other substances ~capillary action ~meniscus ~water climbs up fiber solvent CORRECT ANSWER -water is the universal one -polar water molecules will surround the (+) and (-) ions causing the ions to separate and dissolve -dissolve solutes and create aqueous solutions hydrophilic CORRECT ANSWER -some mole