Choose the TWO sentences from “Extraordinary Competitors—Extraordinary Feats” that best support the author’s point that competition drives the best performance. Choose 2 answers:
Choose 2 answers:

(Choice A)
A
“Steve Jobs was the co-founder and longtime chief executive officer of Apple Inc., while Bill Gates is the co-founder and former chief executive of Microsoft—and both are technology giants.”

(Choice B)
B
“After the initial success of the Mac, Jobs approached Gates about making Microsoft software for the Mac.”

(Choice C)
C
“In trying to outdo each other, they both reached the height of their success—a legacy for their mutual companies and a benefit for posterity.”

(Choice D)
D
“Three years later, Jobs introduced the Macintosh (Mac), Apple’s iconic product that is still produced and sold in large quantities today.”

(Choice E)
E
“Jobs and Gates are known as innovators with brilliant minds whose ingenuity in computer technology revolutionized the world.”

(Choice F)
F
“It’s obvious that their competition in electronics and computing output has led Apple and Microsoft to attempt and accomplish great feats in the field of technology.”

Match the descriptions / definitions with the term they best describe 1. three dimensional relationship of the different polypeptide chains in a multisubunit protein or protein complex 2. common folding pattern in proteins in which a linear sequence of amino acids folds into a right-handed coil stabilized by internal hydrogen-bonding between polypeptide backbone atoms. 3. the amino acid sequence of a protein 4. a region on the surface of a protein that can interact with another molecule through noncovalent bonding. 5. three-dimensional arrangement of alpha-helices and beta-sheets within a single polypeptide, typically stabilized by a variety of noncovalent bonds, including ionic and hydrogen bonds, and nonpolar interactions / hydrophobic force. 6. the chain of repeating carbon and nitrogen atoms, linked by peptide bonds, in a protein. 7. common structural motif in proteins in which different sections of the polypeptide chain run alongside each other and are joined together by hydrogen bonding between atoms of the polypeptide backbone. 8. portion of a polypeptide chain that has a discrete tertiary structure of its own and can often fold independently of the rest of the chain 9. regular local folding patterns in a protein, including alpha-helix and beta-sheet a. primary structure b. beta-sheet c. protein d. coiled-coil e. polypeptide backbone f. secondary structure g. side chain h. tertiary structure i. binding site j. alpha-helix k. quaternary structure l. protein domain

Many organs are involved in the processes of keeping the blood and the body clean. when poisonous or harmful substances are in the blood, they are absorbed by the and released in a less harmful form. when wastes are present in the blood, they are filtered out and removed from the body by the

Depending on the organism the number of in a cell may change