AP Biology Unit 1 Test exam 2023 with 100% 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 molecules have an affinity for water -polar and ionic molecules -ex: