1. Spider silk is protein
2.Every molecule of dna is constructed from four kinds of chemical building blocks that are chained together A,G,C, and T
3.Lemon juice has roughly the same acidity as the food-digesting chemicals in your stomach
4.sodium is an explosive solid and chlorine is a poisonous gas,but when combined they form a common ingredient ,table salt
5.Chocalote melts in your mouth(and in your hands) because of the structure of cocoa butter,which is high in saturated fats.
6.Mushrooms,amoebas,and you are all made up of the same kind of cells.
7.Without the cytoskeletonn,your cells would collapse in on themselves,kind of like a house collapses when the infrastructure fails.
8. Both nerve gas and insecticides work by crippling a vital enzyme
9.For thousands of years,people have used osmosis to preserve food through salt and sugar curing
10.We actually have something in common with a sports car.we both require an air intake system to burn fuel efficiently
11.About 20 pecentt of the energy produced by your body each day is used to sustain your brain.
12. If you really want to reduce the rate of global climate change,plant a tree : )
13.Nearly all life on earth ,including you and me too can trace its source of energy back to the sun
14.Every tumor is the result of a malfunction of cell division
15.If stretched out,the dna in any one of your cells would be taller than you
16.In certain species of sea star,a severed arm may be able to regrow a whole new body
17.Your mothers genes had no role in determining your sex
18.Hemophilia is more prevalent among european royalty than of commoners because of past intermarriage.
19.MAD COW DISEASE is caused by an abnormal molecule of protein
20.Because all life on earth shares a universal genetic code,your dna couldbe used to genetically modify a monkey
21.Enzymes help maintain the integrity of your dna to greater than 99.999% accuracy
22.Cloning may help save the giant panda from extinction
23.someday,in the future hopefully a dna chip might report on the activities of all your genes
24.You have about the same number of genes as a microscopic worm,and only half as many as a rice plant
25.If it werent for artificial selection,youd be eating tomatoes the size of BLUEBERRIES
26.Thanks to natural selection,populations of more than 500 insect species are invulnerable to the most widely used pesticides
27.Although Charles darwin was born more than about 200 years ago,and on the very same day as abraham lincoln,his work had such an extraordinary impact that many scientists mark his birthday with a celebration of his contributions to biology.
28.Alleles from two wild grasses could be used to make a better ear of delicious tasy corn ,mmhhmm
