MOD.MASTERING BIO+CAMPBELL ETXT CODE
18th Edition
ISBN: 9781323749531
Author: Pearson
Publisher: PEARSON C
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Chapter 4.3, Problem 3CC
DRAW IT Ø Suggose you had an organic molecule such as cysteine (see Figure 4.9, sulfhydryl group example), and you chemically removed the —NH2 group and replaced it with —COOH. Draw this structure. How would this change the chemical properties of the molecule? Is the central carbon asymmetric before the change? After?
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DRAW IT Suppose you had an organic molecule suchas cysteine (see Figure 4.9, sulfhydryl group example),and you chemically removed the —NH2 group andreplaced it with —COOH. Draw this structure. Howwould this change the chemical properties of themolecule? Is the central carbon asymmetric beforethe change? After?
Suppose you had an organic molecule such as cysteine (see Figure 4.9,sulfhydryl group example), and you chemically removed the --NH2 group and replaced it with --COOH. Draw this structure. How would this change the chemical properties of the molecule? Is the central carbon asymmetric before the change? After?
When hydrogen covalently bonds to carbon it creates a nonpolar bond. However, when hydrogen covalently bonds to oxygen it creates a polar bond. What is a polar covalent bond, and why does it occur between hydrogen and oxygen, but not hydrogen and carbon?
Chapter 4 Solutions
MOD.MASTERING BIO+CAMPBELL ETXT CODE
Ch. 4.1 - Why was Whler astonished to find he had made urea?Ch. 4.1 - VISUAL SKILLS See Figure 4.2. Miller carried out...Ch. 4.2 - DRAW IT (a) Draw a structural formula for C2H4....Ch. 4.2 - Prob. 2CCCh. 4.2 - How are gasoline and fat chemically similar?Ch. 4.2 - VISUAL SKILLS See Figures 4.5a and 4.7. Can...Ch. 4.3 - VISUAL SKILLS What does the term amino acid...Ch. 4.3 - What chemical change occurs to ATP when it reacts...Ch. 4.3 - DRAW IT Suggose you had an organic molecule such...Ch. 4 - How did Stanley Miller's experiments support the...
Ch. 4 - In what ways does a methyl group differ chemically...Ch. 4 - Prob. 4.3CRCh. 4 - Organic chemistry is currently defined as (A) the...Ch. 4 - Prob. 2TYUCh. 4 - MAKE CONNECTIONS Which chemical group is most...Ch. 4 - VISUAL SKILLS Visualize the structural formula of...Ch. 4 - visual skills Choose the term that correctly...Ch. 4 - VISUAL SKILLS Identify the asymmetric carbon in...Ch. 4 - Which action could produce a carbonyl group? (A)...Ch. 4 - Prob. 8TYUCh. 4 - Prob. 9TYUCh. 4 - SCIENTIFIC INQUIRY 50 years ago, pregnant women...Ch. 4 - WRITE ABOUT A THEME: ORGANIZATION In 1918, an...Ch. 4 - SYNTHESIZE YOUR KNOWLEDGE Explain how the chemical...
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- Figure 2.24 Which of the following statements is false? Molecules with the formulas CH3CH2COOH and C3H6O2 could be structural isomers. Molecules must have a double bond to be cis-trans isomers. To be enantiomers, a molecule must have at least three different atoms or groups connected to a central carbon. To be enantiomers, a molecule must have at least four different atoms or groups connected to a central carbon.arrow_forwardWatch this video (http://openstaxcollege.org/l/disaccharide) to observe the formation of a disaccharide. What happens when water encounters a glycosidic bond?arrow_forwardNitrogen exist as diatomic molecule with a triple bond in the atmosphere, this molecule is not really assimielable to the plants.what do you think so? Explain in the premise of covalent bonding.arrow_forward
- Like oxygen, sulfur forms two covalent bonds. However, sulfur is far less electronegative. In fact, it is approximately as electronegative as carbon. How would the properties of the various classes of biological molecules be altered if you were to replace all the oxygen atoms with sulfur atoms?arrow_forwardDraw a “dot & cross” diagram to show the shape of a water molecule (H2O). Bond angles need to be shown. State the shape of a water molecule.arrow_forwardOrganic compounds are present in all living cells. They allshare the following characteristic:(a) Are used in protein synthesis(b) Are biological catalysts(c) Are composed of carbon atom backbone surrounded bychloride atoms(d) Are hydrophobic(e) Are composed of carbon atom backbone surrounded byhydrogen atomsarrow_forward
- Which of the following bonds is/are likely to be polar (choose all that apply)? a. H-H b. O-H c. C-H d. O-Oarrow_forwardSucrose, C 12 H 22 O 11 , is table sugar or cane sugar. It can be decomposed by heat into carbon (a solid black mess) and water vapor. How many grams of carbon would be produced if you decomposed 10.0 g of sucrose? How many atoms of carbon would this be?arrow_forwardLike oxygen sulfur forms to covalent bonds. However sulfur is far less electronegative. In fact it has approximately the same electronegativity value as carbon. Based on your knowledge explain how the properties of various classes of biological molecules would be altered if you were to replace all of the oxygen atoms with sulfur.arrow_forward
- 1. Draw a circle around and give the name of each functional group in the following twomolecules. (Note: each line represents a covalent bond. If no atom is shown, assume there’s a carbon there.)arrow_forwardWhich of the following bonds and properties are correctly matched? (a) ionic bonds; are strong only if the participating ions are hydrated (b) hydrogen bonds; are responsible for bonding oxygen and hydrogen to form a single water molecule (c) polar covalent bonds; can occur between two atoms of thesame element (d) covalent bonds; may be single, double, or triple (e) hydrogen bonds; are stronger than covalent bondsarrow_forwardOxygen (O) is a(n) _______; the oxygen we breathe (O2) is a(n) _______; and the carbon dioxide we exhale is a(n) _______. a. compound; molecule; element b. atom; compound; element c. element; atom; molecule d. atom; element; molecule e. element; molecule; compoundarrow_forward
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