CK12 Life Science
Table 2.1: The Four Main Classes of Organic Molecules Proteins Carbohydrates Lipids Nucleic Acids Elements C,H,O,N,S C,H,O C,H,O ...
Proteins Proteins have many different functions in living things. Enzymes are a type of protein. Antibodiesthat protect your bod ...
amino acids appear as ”beads on a string,” as shown in the figure below. The folding of the protein into the 3-dimensional worki ...
It’s important for you and other animals to eat food with protein because we cannot syn- thesize some of these amino acids ourse ...
Figure 2.13: (B) Muscle fibers (protein). ( 31 ) Figure 2.14: (C) Phospholipids in a membrane (lipid). ( 12 ) ...
Figure 2.15: (D) DNA (nucleic acid). ( 3 ) ...
The Figure 2.16: A healthy diet includes protein, fat, and carbohydrate. ( 27 ) Enzyme Reactions The oxidation reaction occurs r ...
Figure2.17: Theenzyme(green)bindstothesubstrate(red)tospeedupachemicalreaction. ( 26 ) As discussed above, enzymes lower activat ...
Figure 2.18: The reaction represented by this graph involves the reactants glucose (C 6 H 12 O 6 ) and oxygen (O 2 ). The produc ...
Figure 2.19: This enzyme molecule binds reactant molecules—called substrate—at its active site, forming an enzyme-substrate comp ...
Systemschapter). These enzymes would not work optimally at other pHs. Trypsin is another enzyme in the digestive system which br ...
http://publications.nigms.nih.gov/thenewgenetics/chapter1.html Vocabulary amino acids Monomers that combine to make protein ch ...
protein Class of organic compound consisting of a chain of amino acids; includes enzymes and antibodies. Proton The positively c ...
history and relatedness. Lions and tigers look like each other more than they look like bears. But it’s not just appearance. The ...
Figure 2.20: In the 18th century, Carl Linnaeus invented the two-name system of naming organisms (genus and species) and introdu ...
Figure 2.21: This diagram illustrates the classification categories for organisms, with the broadest category (Life) at the bott ...
Figure 2.22: Darwin suggested that these Galapagos Island finches share a common ances- tor and evolved different beaks because ...
same species. To solve this problem, Linnaeus developedbinomial nomenclature,a way to give a scientific name to every organism. ...
Figure 2.25: These leaves in the top and middle photographs are from two different species trees in the Acer, or maple, genus. O ...
Figure 2.26: These children are all members of the same species,Homo sapiens. ( 15 ) Figure 2.27: The ”Group D” Streptococcus or ...
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