Question 18 of 25 40 40 points which of the following

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Question 18 of 25 4.0/ 4.0 Points Which of the following types of compounds are commonly the cause of the sour taste of lemons and vinegar? A. ketones B. carboxylic acids C. esters
D. amines Feedback: This is discussed in Chapter 21. Question 19 of 25 4.0/ 4.0 Points `We discussed different types of organic reactions in this lesson, one of which was substitution. Which if these will undergo this type of reaction?
Feedback: Good. Question 20 of 25 4.0/ 4.0 Points
Name the compound below. CH 3 NHCH 3
Feedback: This is discussed in Chapter 21. Part 4 of 4 - Part 04 12.0/ 20.0 Points Question 21 of 25 4.0/ 4.0 Points `What joins the two strands of the twisted ladder of DNA together?
C. covalent bonds. D. hydrogen bonds. E. none of the above Feedback: Good. DNA structure is discussed in the Biochemistry Thinkwell Videos. Question 22 of 25 0.0/ 4.0 Points Which of the following describes the polypeptide structure of hemoglobin which has multiple chains that interact? A. Primary Structure B. Secondary Structure C. Tertiary Structure D. Quaternary Structure E. Pental Structure
Feedback: This is discussed in the Biochemistry Thinkwell Videos. Question 23 of 25 0.0/ 4.0 Points
In terms of biochemistry, what is a codon?
Feedback: This is discussed in the Biochemistry Thinkwell Videos. Question 24 of 25 4.0/ 4.0 Points Which of the following would not fall under the classification of lipids?
D. amino acids. E. All of the above are lipids. Feedback: This is discussed in the Biochemistry Thinkwell Videos. Question 25 of 25 4.0/ 4.0 Points `Consider amino acids that are on separate chains. When their R-groups interact with one another, they are holding together which type of structure?
Feedback: Good.

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