EBK BIOLOGY TODAY AND TOMORROW WITHOUT
5th Edition
ISBN: 8220100557187
Author: STARR
Publisher: CENGAGE L
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Chapter 2, Problem 11SQ
Summary Introduction
Concept Introduction: Proteins are biological molecules made of basic structural units, the amino acids. There are 20 different amino acids that form several combinations of several lengths with peptide bond between two amino acids. These amino acids undergo folding to form the proteins. Proteins are present in the cell as hormones, receptors, ligands, enzymes, and many more.
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The function of a protein depends on the protein's ______
A. size
B. structureC. pH
A denatured protein has lost its _______ .a. hydrogen bondsb. shapec. functiond. all of the above
The term used for the process in which a protein changes its shape is ____
A. hydrogenation
B. denaturation
C. conformation
Chapter 2 Solutions
EBK BIOLOGY TODAY AND TOMORROW WITHOUT
Ch. 2 - A. The first shell corresponds to the first energy...Ch. 2 - B. A chlorine atom (Cl) becomes a negatively...Ch. 2 - Figure 2.12 A pH scale. Here, red dots signify...Ch. 2 - Figure 2.17 Fatty acids. Double bonds in the tails...Ch. 2 - Effects of Dietary Fats on Lipoprotein Levels...Ch. 2 - Effects of Dietary Fats on Lipoprotein Levels...Ch. 2 - Effects of Dietary Fats on Lipoprotein Levels...Ch. 2 - Prob. 1SQCh. 2 - Which element has only one proton?Ch. 2 - The mutual attraction of opposite charges holds...
Ch. 2 - A salt does not release __________ in water. a....Ch. 2 - A(n) _______ substance repels water. a. acidic b....Ch. 2 - When dissolved in water, a(n) _____ donates H+ and...Ch. 2 - _________ is a monosaccharide. a. Glucose b....Ch. 2 - Unlike saturated fatty acids, the tails of...Ch. 2 - Which of the following is a class of molecules...Ch. 2 - Prob. 10SQCh. 2 - Prob. 11SQCh. 2 - Prob. 12SQCh. 2 - Prob. 13SQCh. 2 - Match the molecules with the best description.Ch. 2 - Match each molecule with its component(s).Ch. 2 - Alchemists were the forerunners of modern-day...Ch. 2 - Prob. 2CTCh. 2 - Polonium is a rare element with 33 radioisotopes....Ch. 2 - In the following list, identify the carbohydrate,...
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- A_______ is an example of protein secondary structure. a. barrel c. domain b. polypeptide d. helixarrow_forwardA _____ is an example of protein secondary structure. Select one: a. polypeptide b. domain c. barrelarrow_forwardMatch each polymer with its component monomers. _____ protein a. phosphate, fatty acids _____ phospholipid b. amino acids, sugars _____ glycoprotein c. glycerol, fatty acids _____ fat d. nucleotides _____ nucleic acid e. glucose only _____ cellulose f. sugar, phosphate, base _____nucleotide g. amino acids _____lipoprotein h. glucose, fructose _____sucrose i. lipids, amino acidsarrow_forward
- Denaturation of a protein A. adds hydrogen bonds to the primary level of protein structure. B. breaks hydrogen bonds in the primary level of protein structure. C. adds hydrogen bonds to the secondary and tertiary levels of protein structure. D. breaks hydrogen bonds in the secondary and tertiary levels of protein structure.arrow_forwardThe coiling of the protein chain backbone into an alpha helix is referred to as the _____ structure Select one: a. secondary b. quaternary c. tertiary d. primaryarrow_forwardUnfolding of a protein can be termed as a. Reduction b. Oxidation c. Denaturation d. Renaturationarrow_forward
- A ________ is a portion of protein with a particular structure andfunction.a. peptide bondb. domainc. phospholipidd. waxe. monosaccharidearrow_forwardProteins are synthesized by linking amino acids with ___________bonds.a. disulfideb. glycosidicc. peptided. esterarrow_forward20. Unsaturated fats _______. A. have as many hydrogen atoms as they can B. have carbon-to-carbon double bonds C. are soluble in water D. none of the abovearrow_forward
- The tangled shape of a polypeptide is its ________ structure, which gives it maximum stability. A. primary B. secondary C. tertiary D. quaternary E. denaturalizedarrow_forwardThe arrangement of subunits to form a larger protein is called the protein's a. primary structure b. secondary structure c. tertiary structure d. quaternary structurearrow_forwardThe structural level of a protein least affected by a disruption in hydrogen bonding is the a. primary b.secondary c. tertiary d. quaternaryarrow_forward
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Biomolecules - Protein - Amino acids; Author: Tutorials Point (India) Ltd.;https://www.youtube.com/watch?v=ySNVPDHJ0ek;License: Standard YouTube License, CC-BY