BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 3, Problem 3A
Summary Introduction
Introduction:
Proteins are organic molecule that are made up of amino acids. There are twenty different amino acids present in the environment. Each amino acid is specific for a particular protein. They determine’s the protein structure and its function. The amino acid consists of amino group (
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Which of these are considered “part” of each amino acid?
A. Carboxyl acid group
B. All of the options are correct
C. R Group
D. Amino group
At the center of all 20 standard amino acids is what is termed the a-carbon that is covalently bonded with four other chemical groups. Which of these four chemical groups is not a normal component of all amino acids?
A. an amino group
B. a carboxyl group
C. a side chain (R group)
D. a methyl group
Write the structure, identify the R groups and describe the chemical properties of these amino acids.
A. Alanine
B. Serine
C. Sucrose
Chapter 3 Solutions
BIOLOGY
Ch. 3.1 - Describe the relationship between functional...Ch. 3.1 - Recognize the different kinds of isomers.Ch. 3.1 - Prob. 3LOCh. 3.2 - Prob. 1LOCh. 3.2 - Prob. 2LOCh. 3.3 - Prob. 1LOCh. 3.3 - Prob. 2LOCh. 3.3 - Prob. 3LOCh. 3.3 - Prob. 4LOCh. 3.4 - Prob. 1LO
Ch. 3.4 - Prob. 2LOCh. 3.4 - Prob. 3LOCh. 3.5 - Prob. 1LOCh. 3.5 - Prob. 2LOCh. 3.5 - Prob. 3LOCh. 3 - Prob. 1UCh. 3 - Why are carbohydrates important molecules for...Ch. 3 - Plant cells store energy in the form of ______,...Ch. 3 - Prob. 4UCh. 3 - A molecule of DNA or RNA is a polymer of a....Ch. 3 - Prob. 6UCh. 3 - What monomers make up a protein? a....Ch. 3 - A triglyceride is a form of _______ composed of...Ch. 3 - You can use starch or glycogen as an energy...Ch. 3 - Which of the following is NOT a difference between...Ch. 3 - Prob. 3ACh. 3 - A mutation that alters a single amino acid within...Ch. 3 - Two different proteins have the same domain in...Ch. 3 - What aspect of triglyceride structure accounts for...Ch. 3 - The spontaneous formation of a lipid bilayer in an...Ch. 3 - Prob. 1SCh. 3 - Hydrogen bonds and hydrophobic interactions each...Ch. 3 - Prob. 3S
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- Identify the components that are consistent between all 20 amino acids in the body. SELECT ALL THAT APPLY A. An amino group B. An Alpha-carbon C. A Carboxyl Group D. A Side chain R Grouparrow_forwardWhat type of bonding is present in the primary structure of proteins? A. peptide bond B. hydrogen bond C. ionic bond D. more than one choice is correctarrow_forwardAdjacent amino acids are linked together by the formation of a peptide bond between which of the following? A. An R group and a carboxyl group B. Two R groups C. An amine group and a carboxyl group D. Two amine groupsarrow_forward
- Which of the amino acids will nearly always be found buried in the center of proteins? a. aspartic acid b. arginine c. glycine d. phenylalaninearrow_forwardAll amino acids have a basic three component structure of which the has the greatest structural variability. a. amine b. carbonyl carlay! d. a carbon o carbon c. grouparrow_forwardWhich of the following group(s) can be found in both an amino acid and a protein? a. Rgroup (side chain) only b. Free amino group and carboxyl group c. Free amino group, free carboxyl group and R groups d. Carbonyl group and free amino group and R groupsarrow_forward
- Why do some proteins contain D-amino acids? A. D-amino acids will determine the binding of the protein to its interacting partners. B. D-amino acids will determine whether the structure will be recognized and digested by naturally occurring enzymes C. D-amino acids determines the reactions the proteins will undergo. D. D-amino acids determines the solubility of the protein in aqueous solution. OE. A combination of D and L-amino acids is necessary for the proper folding of protein structures in aqueous solutions.arrow_forwardSelect the two most hydrophobic amino acids. A. Leucine and Isoleucine OB. Arginine and Lysine OC Cysteine and Methionine D. Alanine and Glycine E. Glutamine and Asparaginearrow_forwardWhich type of amino acid would you expect to find in large numbers in a protein found in a deep-sea hydrothermal vent (a very hot environment)? A. Hydrophobic amino acids B. Cysteines C. Nonpolar amino acids D. Polar amino acidsarrow_forward
- What is the chemical difference between cellulose and chitin? Select one: a. Replacement of the hydroxyl group at C5 with an acetylated amino group b. Replacement of the hydroxyl group at C3 with an acetylated amino group c. Replacement of the hydroxyl group at C4 with an acetylated amino group d. Replacement of the hydroxyl group at C2 with an acetylated amino grouparrow_forwardThe chemical differences between one amino acid and another isdue to which of the following?a. amino group b. carboxyl groupc. R group d. peptide bond e. carbon atomsarrow_forwardWhich of the following statements is true about amino acids? a. All twenty (20) of these protein-derived amino acids are a-amino acids, meaning that the amino group is located on the carbon alpha to the carboxyl group. b. For nineteen (19) of the twenty (20) amino acids, the a-amino group is primary. Glycine is different; its a-amino group is secondary. c. With the exception of proline, the a-carbon of each amino acid is a chiral center. As shown in Table 27.1, all 19 chiral amino acids have the same relative d. Both a & carrow_forward
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