Genes are made of a chemical called DNA, which is short for 'deoxyribonucleic acid'. The DNA molecule is a double helix: that is, two long, thin strands twisted around each other like a spiral staircase.o, for example, one gene will code for the protein insulin, which is important role in helping your body to control the amount of sugar in your blood. Genes are the basic unit of genetics. Human beings have 20,000 to 25,000 genes. These genes account for only about 3 per cent of our DNA.
I usually get my hair cut in a small-town shop. I tip $2 on a $12 haircut. If I get to hear stories about Vietnam or histrionic political rants, I tip $3, even if I donât agree with the barberâs viewpoints. (I tip because Iâve been entertained.) Sometimes, if I donât have enough cash, I donât leave a anything at all.
Confessions of a Hooters waitress: From $100 tips to fending off 'pervy' men and dealing with angry wives-the truth about America's 'working class sorority'.By MailOnline Reporter. Published: 12:24 EST, 31 December 2014 | Updated: 18:20 EST, 31 December 2014.Most of the regulars were men, and some of them had a lot of money. It wasn't unusual to receive a $100 tip on a Monday night after giving mediocre service to a couple of businessmen watching the football game.