• Home
  • Textbooks
  • Chemistry: An Introduction to General, Organic, and Biological Chemistry
  • Amino Acids, Proteins, and Enzymes

Chemistry: An Introduction to General, Organic, and Biological Chemistry

Karen C. Timberlake

Chapter 16

Amino Acids, Proteins, and Enzymes - all with Video Answers

Educators

Section 1

Proteins and Amino Acids

00:43

Problem 1

Classify each of the following proteins according to its function:
a. hemoglobin, oxygen carrier in the blood
b. collagen, a major component of tendons and cartilage
c. keratin, a protein found in hair
d. amylases that catalyze the hydrolysis of starch

Sam Limsuwannarot
Sam Limsuwannarot
Numerade Educator
00:42

Problem 2

Classify each of the following proteins according to its function:
a. insulin, a protein needed for glucose utilization
b. antibodies that disable foreign proteins
c. casein, milk protein
d. lipases that catalyze the hydrolysis of lipids

Sam Limsuwannarot
Sam Limsuwannarot
Numerade Educator
00:24

Problem 3

What functional groups are found in all $\alpha$ -amino acids?

Sam Limsuwannarot
Sam Limsuwannarot
Numerade Educator
00:24

Problem 4

How does the polarity of the R group in leucine compare to the R group in serine?

Sam Limsuwannarot
Sam Limsuwannarot
Numerade Educator
04:40

Problem 5

Draw the ionized form for each of the following amino acids:
a. glycine
b. T
c. glutamic acid
d. Phe

Dr. Satish Ingale
Dr. Satish Ingale
Numerade Educator
02:06

Problem 6

Draw the ionized form for each of the following amino acids:
a. Iysine
b. proline
c. $V$
d. Tyr

Lottie Adams
Lottie Adams
Numerade Educator
01:29

Problem 7

Classify each of the amino acids in problem 16.5 as polar or non polar. If polar, indicate if the R group is neutral, acidic, or basic. Indicate if each is hydrophobic or hydrophilic.

Lottie Adams
Lottie Adams
Numerade Educator
02:10

Problem 8

Classify each of the amino acids in problem 16.6 as polar or non polar. If polar, indicate if the R group is neutral, acidic, or basic. Indicate if each is hydrophobic or hydrophilic.

Lottie Adams
Lottie Adams
Numerade Educator
00:36

Problem 9

Give the name for the amino acid represented by each of the following abbreviations:
a. Ala
b. Q
c. $K$
d. Cys

Sam Limsuwannarot
Sam Limsuwannarot
Numerade Educator
00:45

Problem 10

Give the name for the amino acid represented by each of the following abbreviations:
a. Trp
b. M
c. Pro
d. G

Sam Limsuwannarot
Sam Limsuwannarot
Numerade Educator