Name: _________________________ 2.2.8 Role of ATP and NAD Worksheet Energy Carriers • ______, __________ and ________ play a vital role in ________________ and _________ ____________ in cellular activities ADP and ATP • ADP is an abbreviation for _____________________________. This is a molecule found in the _________________________________________ • It is made of the base ______________, a 5 carbon sugar called ____________ and _____________________ groups ADP and ATP • ADP is a __________________ molecule • If another phosphate is added to ADP it forms ______ (__________________ ________________________) • Extra energy is also added as there is an __________________ between the last two phosphate groups • Addition of a phosphate like this is called ______________________________ • ATP is _______________________ and stores this energy carrying it around in the cell ADP and ATP • ______ ____________ store energy for very long it breaks down releasing energy and converting back to ______ • Most cells release energy from ATP 10 million times every second! This energy is used for __________________________________ Page 1 of 2 Name: _________________________ NADP+ and NADPH • NADP+ is a __________________ molecule involved in ________________________ • NADP+ can combine with 2 ____________________ electrons and a ____________ to form __________ • NADPH is a ____________________________ molecule • It’s energy is used to form ______________ in photosynthesis NADP+ and NAD • NAD+ is used in ______________________ • It can combine with 2 ____________________ electrons and a ____________ to form __________ which is very high in energy • Remember ____ for _____________________, NADP+ is used in photosynthesis NAD+ in __________________ • Both NADH and NADPH release ___________ and ______________ when they break down into ________ and __________ • These electrons, protons and energy are ______________________ Syllabus Can You? ... • Explain the role of ATP and describe how it is formed from ADP + P • Explain the role of NADP+ in trapping and transferring electrons and hydrogen ions in cell activities Page 2 of 2