EBK CAMPBELL BIOLOGY
11th Edition
ISBN: 8220103613828
Author: Reece
Publisher: PEARSON
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Textbook Question
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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Identify the functional groups in the following molecule as pointed by arrow A and B, then C and D
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?
Part C - Classifying molecules by their functional groups
Functional groups confer specific chemical properties to the molecules of which they are a part. In this activity, you will identify
which compounds exhibit certain chemical properties as well as examples of those six different compounds.
Drag one molecule and one chemical property to each bin. If one property can apply to more than one functional group,
choose the best answer for each functional group.
▸ View Available Hint(s)
forms
HHO
disulfide
H-C
C-C-O-H
HHO
H-C-C-C-H
acts as
a base
bonds
A A
H
A
contributes
negative
charge
HH
H
-S-H
HH
HH
A
alcohol
carboxylic acid
aldehyde
0
C-0- P-0-
thiol
is polar and
makes compounds
HHH
| | |
may
H-C-C-C-H
structura
more soluble
HNH
of a k
in water
H
H
acts as
an acid
amine
Chapter 4 Solutions
EBK CAMPBELL BIOLOGY
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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- Following is a structural formula for the amino acid cysteine: 11 HS-CH₂-CH-C-OH NH₂ Name the three functional groups in cysteine. a. What is the name of the highlighted functional group? HS-CH₂-CH-C-OH NH₂ O carboxyl group O amino group O thiol group O disulfide group What is the name of the highlighted functional group? O HS-CH₂-CH-C-OH NH₂ O carboxyl group O amino group O thiol group O disulfide group Previous Nextarrow_forwardDraw all three staggered conformations for the following compound, viewed along the C₂-C3 bond. Determine which conformation is the most stable, taking into account gauche interactions and hydrogen-bonding interactions. (J. Phys. Chem. A 2001, 105, 6991-6997) Provide a reason for your choice by identifying all of the interactions that led to your decision. H H&COH C₂ C3 HỌ CH CH3 Which of the following is the most stable staggered conformer? Me H OH Me OH Me- Me Me H Conformer A OH OH OH HO H H H Conformer B Conformer C Me Conformer B because the anti OH groups avoid hydrogen bonding, which is a destabilizing effect. Conformer A because there are only two gauche interactions, and hydrogen bonding between the two OH groups is a stabilizing effect. Conformer C because there is no steric strain for Me-OH gauche interactions and hydrogen bonding between the two OH groups is a stabilizing effect. Conformer B because the large OH groups are anti to each other.arrow_forwardDraw the structures of L-Cysteine from highly protonated to depronated form. Note Structure A as the most protonated form. Provide the charge of each structure. (Answer structure C and D pls)arrow_forward
- Draw the structure of the product that forms when the carbonyl compound shown is treated with K2 Cr₂ O7. If no reaction occurs, draw the structure of the organic starting material (reactant). Y H Click and drag to start drawing a structure. ☐ : Öarrow_forwardIn an ammonia molecule, one nitrogen atom (atomic number = 7; 1s² 2s²2p³) forms covalent bonds with three hydrogen atoms. Draw a diagram of an ammonia molecule. Show all valence electrons, lone pairs, molecular geometry, and partial charges (assume sp³ hybridization).arrow_forwardIn the following monosaccharide hemiacetal, identify the anomeric carbon atom. Identify the appropriate atom by selecting an atom and assigning it a map number of 1. To do this, rigl mark to enable the Map field before entering a value. H: 122 EXP" CONT. 0 0 H но OH S Br OH [1] ÓH P. -arrow_forward
- 1. (a) The diagram below shows a structure of monosaccharide. CH,OH C=0 H-C-OH НО—С—Н ČH,OH i. Draw the figure above on your answer sheet and indicate ALL chiral carbon(s) in your figure with *. ii. With reference to the number of carbon, the type of carbonyl group and D/L configuration, suggest a name consisting these three properties to describe the monosaccharide shown above. Explain why this monosaccharide is in D- or L- configuration as you suggested in (ii). 111. (b) The diagram below shows different configurations of glucose. CH,OH CHO ÇH,OH H H-C-OH O. OH H. H. OH H. H OH HO-C-H но H-C-OH но H. H-C-OH OH OH ČH,OH A В C i. Which glucose molecule, A or C, is in a configuration? Explain. ii. What is the name of the conversion among different configurations? iii. Glycosaminoglycans (GAG) consist of modified sugars. Give a name of the typical modification to the sugar. What makes GAG ideal for the fluid in the joints? toarrow_forwardA victim approaches you and says "Please help me! I was kidnapped by a molecule. The suspect is either CH2NH or CH3NH2. Use this information to solve the three parts in the imagearrow_forwardf you were asked to write the chemical formula for one of the compounds in Model 1, which type of the drawing would be the easiest to use? Justify your reasoning.arrow_forward
- Draw the structure of the product that forms when the carbonyl compound shown is treated with K₂ Cг2 О7. If no reaction occurs, draw the structure of the organic starting material (reactant). CH3(CH2), (CO)CH (CH3)2 Click and drag to start drawing a structure. : ☐arrow_forwardNAME 6 U# CARBON 5 1 ☐ H C 12.01 TA SEAT # 1.008 Circle and name ALL the functional groups in this molecule HO CH 3 | C-C-C | || но - C-N I-Ú-ŏ H H OH Indicate which carbon/s in the molecule would be asymmetric What is the molecular formula of this molecule: There are two groups that can become IONIZED (lose or gain H*). Draw the group that serves as an ACID and show it in ionized form Draw the group that serves as an BASE and show it in ionized form Module Problem 1:27arrow_forwardA concept map for four types of intermolecular forces and a certain type of bond is shown.Compare the relative strength of the two forces C and D. Explain how you determined this comparison by identifying the forces.arrow_forward
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