3. Draw the structure of a protein containing 3 amino acids and then explain the process of hydrolysis.Explain the biological importance of proteins.OHOH||||H₂C-CH-C-OH-C-NH₂C-CH-C-OHNH₂NH₂HOCH₂alaninecystineSHalanine6H6

Proteins are a class of complex macromolecules essential for the human body. Proteins are formed by…

Answered: 3. Draw the structure of a protein…

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter3: Molecules Of Life

Section: Chapter Questions

Problem 13SA

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In the following list, identify the carbohydrate, the fatty acid, the amino acid, and the polypeptide: a. NH2CHRCOOH b. C6H12O6 c. (methionine)20 d. CH3(CH2)16COOH
Which of the following levels of protein structure may be affected by hydrogen bonding? (a) primary and secondary (b) primary and tertiary (c) secondary, tertiary, and quaternary (d) primary, secondary, and tertiary (e) primary, secondary, tertiary, and quaternary
Figure 3.5 What kind of sugars are these, aldose or ketose?
Another key component of lipids is a fatty acid. A fatty acid is recognizable by its carboxyl group. butyric acid caproic acid lauric acid 0 || -C-0-H OHHH H-O-C-C-C-C-H HHH OHHHHH Ö|||||| H-O-C-C-C-C-C-C-H ││││| HHHHH Carboxyl group OHHHHHHHHHHH H-0-C-C-C-C-C-C-C-C-C-C-C-C-H ….......... HHHHHHHHHHH a. Draw a box around the carboxyl group on each fatty acid. b. The molecular formula for butyric acid is C_H_O___. c. The molecular formula for caproic acid is C_H_O___. d. The molecular formula for lauric acid is C_H_O____
7. Draw and give the full names of the amino acids in the following dipeptides. ČHS HN- OH CH, CH- OH CH2
NH; CH: OH CH3 CH2 CH2 CH; CH; dH, OH H CH, CH1 CH2 CH2 CH H. -C-N-C- C0. NH C-C-N H. - - N - C || H. H. H. Using the polypeptide above; How many amino acids in the polypeptide chain that have nonpolar side chains 23 01 25 TOSHIBA 出 T。
A22. Which ONE of the following statements regarding biological molecules is CORRECT? (A) The monosaccharide glucose is predominately in the linear form in aqueous solution. (B) (C) (D) (E) Disaccharides consist of two monosaccharide units linked by an ester bond. Starch is a polymer of glucose units held together by the formation of acetal bonds. Peptides are formed from a number of amino acids bound together through their side chain groups. Peptides and proteins are held together by imine bonds.
Please clearly identify each numbered amino acid side chain, below. Your description should include the name or 3 letter code for the amino acid and the type (i.e., chemical class) of the amino acid. 1 4 OH OH CH, CH, CH2 CH2 CH, "H,N-C-C-0 "H,N-C-C-0 "H,N-C-C-0 _0-5-5-N H. H O H O HO но
1. (a) Arrange the following lipid molecules in the order of their relative melting points. Н.С — о-С-R Н.С — о-С-R H,C -0-ć- | НС —0—С-R НС —о-с-R' НС —о-с-R" H2C -0-Ċ-R H2C -0-C-R H2C -0-ċ-R" VI VII VIII (-olx). 0-ċ-R 180 —о-с-R 18-1 cisÃ9 -ċ-R") = 18:1transA9 (b) Give your reasons for your answer. (c) On heating lipid VI with aqueous NAOH, all the ester linkages were hydrolyzed. Draw the structure of each product of the hydrolysis. (e) Giving a reason for your answer, predict what would happen to the solubility of these products in water if, after the hydrolysis, excess acid was added to the medium to acidify it.
le D... This is a/an: esc a) phospholipid b) lipid c) fatty acid d) carbohydrate 56B 1 Q A N @ 2 W S X # 3 OH a E D CH₂OH OH $ 4 TEC ОН C R FL OH % 5 22 T V MacBook Pro < 6 T!!! G Y B 11 & 7 H 2 * S
25. Look at the two types of fatty acids below, saturated and unsaturated. What is the difference between the two? H-C-H H-C-H H-C-H H-C-H H-C-H HO O Saturated Fatty Acid H H-C-H C-H H-C H-C-H H-C-H HO Unsaturated Fatty Acid
2) What is glycoside ? In neutral and basic solutions, glycosides do not show mutarotation. However, if the solutions are made acidic, glycosides show mutarotation. Explain why? And write a mutarotation mechanism.

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3. Draw the structure of a protein containing 3 amino acids and then explain the process of hydrolysis. Explain the biological importance of proteins. H O I H 11 H₂C-CH-C-OH C-C-N I I H₂C-CH-C-OH NH₂ NH₂ HO CH₂ alanine cystine SH alanine Q=O H