Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Textbook Question
Chapter 4, Problem 6TYK
Enantiomers are
- a. molecules that are mirror images of one another.
- b. organic acids with different numbers of carbons.
- c. structural isomers.
- d. molecules with a cis or trans configuration across a carbon-carbon double bond.
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Students have asked these similar questions
Which of the following correctly describes peptide bonds? *
A. They are a special type of amide bond.
B. They are very stable bonds.
C. They form when water separates from an amino group and a carboxylic acid.
D. They are a bond that shows resonance.
E. All of these
Which group consists only of amino acids with polar side chains? *
A. serine, threonine, and leucine
B. serine, threonine, and cysteine
C. serine, threonine, and valine
D. serine, threonine, and isoleucine
Define the following terms: a. carbonyl group b. carboxyl group c. amino group d. hydroxyl group e. peptide bond
The amino acid alanine, shown below, contains all of the following functional groups except
A. an amino group.
B. a methyl group.
C. an ester group.
D. a carboxyl group.
Chapter 4 Solutions
Study Guide for Campbell Biology
Ch. 4 - How did Millers classic experiment relate to the...Ch. 4 - Define structural isomers, cis-trans isomers, and...Ch. 4 - Practice recognizing the functional groups by...Ch. 4 - Construct a concept map that illustrates your...Ch. 4 - Fill in the following table to review the...Ch. 4 - Carbons valence of four most directly results from...Ch. 4 - Prob. 2TYKCh. 4 - Hydrocarbons are not soluble in water because a....Ch. 4 - Prob. 4TYKCh. 4 - Which of the following is not true of an...
Ch. 4 - Enantiomers are a. molecules that are mirror...Ch. 4 - Which statement is not true about structural...Ch. 4 - Prob. 8TYKCh. 4 - The orbitals of a carbon atom form a(n) a....Ch. 4 - The following ribose molecule contains how many...Ch. 4 - Cis-trans isomers require a. highly polar...Ch. 4 - The chemical group that can cause an organic...Ch. 4 - The chemical group that confers acidic properties...Ch. 4 - Structural isomersCh. 4 - Prob. 2TYKMCh. 4 - can have enantiomersCh. 4 - carboxylic acidCh. 4 - can make cross-link in proteinCh. 4 - hydrophilicCh. 4 - hydrocarbonCh. 4 - amino acidCh. 4 - organic phosphateCh. 4 - aldehydeCh. 4 - amineCh. 4 - ketone
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- Which of the following is not true about the properties of a peptide (amide) bond? a.The bond order of the peptide bond is 2 b.The bond is in resonance which makes it (and the 6 atoms around it and included within it) planar c.Delocalization of electrons through the peptide bond contributes to a net dipole for the bond d.Peptide bonds are very, very strongly favored to be in the trans conformation, but proline is an exception because it is more isoenergetic due to its sidechain ring, and can be cis.arrow_forwardIndicate whether each of the following statement about enantiomers is True or False. a. Enantiomers always have the same molecular formula. b. Enantiomers always have the same structural formula. c. Enantiomers are always nonsupetrimposable mirror images of each other. d. Enantiomers always differ in handedness.arrow_forwardDefine the following terms: a. hydrocarbon b. hydrophilic c. hydrophobic d. functional group e. R grouparrow_forward
- Observe the structures of glucose and fructose in figure shown. These two molecules are H. H-C-OH Н—С—он C=0 но-с—н HO-C-H H-C-OH H-C-OH H-C-OH H-C-OH H-C-OH H-C-OH H H. glucose fructose A. geometric isotopes. B. enantiomers. C. stereoisomers. D. structural isomers.arrow_forwardWhich of the following statements is incorrect about disulfide bonds? a. They form between two cysteine amino acids.b. They are noncovalent.c. They contribute to the tertiary structure of some proteins.d. They contribute to the quaternary structure of some proteins.e. They involve the loss of two hydrogen atoms.arrow_forwardFor the following peptide: group 3 C-NH, CH, H 40 2 group 1 NH, HO. CH group 4 N. N-H group 2 Which of the bond in the structure is NOT free to rotate? A. Bond 4 B. Bond 3 C. Bond 2 D. Bond 1 O E. None of these 3.arrow_forward
- This type of noncovalent bond is responsible for clustering fatty acid tails of phospholipids in a micelle. a. Disulfide bonds b. Hydrogen bonds c. Hydrophobic interactions d. Ionic interactions e. van der Waals interactionsarrow_forwardIndicate whether each of the following stereoisomers is true or false. a. Stereoisomers always have the same molecular formula. b. Stereoisomers always have the same structural formula. c. Stereoisomers are always nonsuperimposable mirror images of each other. d. Stereoisomers always possess handedness.arrow_forwardDescribe the structural similarities and differences of the following pairs. Identify which of these is a structural isomer, and how to identify structural isomers. a. Glucose and Mannose b. Galactose and Fructose c. Ribulose and Xylulose d. ribose and glucosearrow_forward
- Peptide bond formation occurs between which functional groups? SELECT ALL THAT APPLY A. Amino B. Carboxyl C. Alpha-Carbon D. Nitrogenarrow_forwardWhat is/are the major difference between amylose and cellulose? Amylose contains a-1,4 linkages while cellulose contains B-1,4 linkages B. Amylose is helical while cellulose is linear C. Amylose is globular while cellulose is fibrous. D. Both A and B. E. All of these.arrow_forwardIndicate whether each of the following descriptions concerning the molecule sphingosine is true or false. a. Carbons 1, 2, and 3 all bear the same kind of functional group. b. Three different kinds of functional groups are present. c. It is an unsaturated diaminoalcohol. d. The carbon chain contains 20 carbon atoms.arrow_forward
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