As shown below, an electron carrier, such as __________, acts as an energy-storage molecule when it is __________. Top 1000 Questions As shown below, an electron carrier, such as __________, acts as an energy-storage molecule when it is __________.a. NAD+ ... reducedb. NAD+ ... oxidizedc. NADH ... oxidizedd. NADH ... reducedAnswer: d Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+