AP biology practice exam multiple choice questions and answers Correct Complete Bundle 100%

water - ANSWER -polar molecule -polar colvalent bonds -oxygen end is partial negative and the hydrogens have a partially positive end -cohesive polar covalent bonds - ANSWER -opposite ends of the molecule have opposite charges cohesion - ANSWER -H bonding between H2O creates it (sticky) -a...

Humans produce sweat as a cooling mechanism to maintain a stable internal temperature. Which of the following best explains how the properties of water contribute to this physiological process? - ANSWER The high heat of vaporization of water allows the body to remove excess heat through a phase...

how many elements are required for life - ANSWER 25 what elements make up 96% of living things? - ANSWER C, H, O, N what elements make up the remaining 4% of living things? - ANSWER P, S, Ca, K trace elements - ANSWER required by an organism in only minute quantities what are examples of...

The resting membrane potential depends on which of the following? 1. active transport 2. Selective permeability 3. Differential distribution of ions across the axonal membrane - ANSWER 1, 2, and 3 The Krebs cycle in humans releases - ANSWER carbon dioxide a heterotroph - ANSWER obtains its...