“Energy can neither be created or destroyed, it can only be changed from one form to another.” - Einstein

  Bonds are formed through ____________________________  Chemical reaction in which two molecules are joined covalently by ______________________________________ ___ + ___ → ______ DEHYDRATION SYNTHESIS

 Carbohydrates ______________ + ______________ → ______________ + ______ Lipids ______________ + ______________ → ______________ + ______ Proteins ______________ + ______________ → ______________ + ______ Examples of dehydration synthesis in biomolecules

  Bonds are broken through ____________________________  Adding water splits the molecules into smaller units  Splitting __________________________________________  _____________ reaction of dehydration synthesis _____ → 2 ___ + ___ HYDROLYSIS

 Carbohydrates Disaccharide + H 2 O → Monosaccharide + Monosaccharide Lipids Triglyceride + 3 H 2 O → 1 Glycerol + 3 Fatty Acids Proteins Dipeptide + H 2 O → 2 Amino Acids Examples of hydrolysis in biomolecules

SYNTHESIS – BOND ________ HYDROLYSIS – BOND _______

  Organisms need _______ to perform every task  Cells also need energy for ____________ & to make molecules What is energy?

  The energy for cells is stored in the ________________________ of biomolecules such as carbohydrates and lipids ***PRIMARY SOURCE OF ENERGY FOR CELLS is _______________ Energy for Cells

  Glucose brings into the cells a large supply of _________________________________  The energy is transferred from the glucose to where it is needed through the use of __________  ATP = ________________________________ GLUCOSE

  ATP is the energy currency of the cell  ATP = Coins  Cell = Vending Machine ATP

 ATP ADENOSINE TRIPHOSPHATE

 FUNCTION OF ATP  ATP transfers energy from the breakdown of glucose to cell processes  Functions like a _________________

 FUNCTION OF ATP

 HOW DOES ATP FUNCTION? ADP + __ + Energy ↔ ______

 ATP ADENOSINE TRIPHOSPHATE

  ATP is a _______________________ molecule in all cells _______ is released to run the cell’s activities  When ATP is converted to ADP and P, _______ is released to run the cell’s activities  ADP has to be recharged to make ATP. It takes the P and energy it needs from glucose ATP

 ANIMATION : HYDROLYSIS OF ATP

 ANIMATION : SYNTHESIS OF ATP