Obama's 5 Greatest Speeches Ever. As President Obama is set to give his first speech of the second term of his presidency here is a look at the five best speeches of Obamaâs political career up to this point. 1. âThe Audacity of Hope,â 2004 Democratic National Convention, Boston Massachusetts. How could any other speech take the top spot on the list?
Niacin is also involved in the synthesis of protein, fat, and pentoses needed for nucleic acid formation. Niacin is a major constituent of the coenzyme nicotinamide adenine dinucleotide (NAD) and nicotinamide adenine dinucleotide phosphate (NADP).These compounds function to remove hydrogen atoms during biological reactions.iacin is also involved in the synthesis of protein, fat, and pentoses needed for nucleic acid formation. Niacin is a major constituent of the coenzyme nicotinamide adenine dinucleotide (NAD) and nicotinamide adenine dinucleotide phosphate (NADP).
Nicotinamide adenine dinucleotide, abbreviated NAD+, is a coenzyme found in all living cells. The compound is a dinucleotide, since it consists of two nucleotides joined throu â¦ gh their phosphate groups, with one nucleotide containing an adenine base and the other containing nicotinamide. Coenzymes are small organic non-protein molecules that carry chemical groups between enzymes.[1] Coenzymes are sometimes referred to as cosubstrates. These molecules are â¦ substrates for enzymes and do not form a permanent part of the enzymes' structures.