Dihydroxyacetone - pts Question 1 When two carbohydrates are epimers:

Coorrrecctt!Dihydroxyacetone Galactose Glucose Glyceraldehyde Idose Which of the following monosaccharides is a ketose?

• / 3 pts

Question 1

When two carbohydrates are epimers:

One is a pyranose, the other a furanose One is an aldose, the other a ketose They differ in length by one carbon

• / 3 pts Question 2

PSYC 140 Developmental (lifespan) Psychology Module 4 Exam 2023- Portage Learning Due No due date Points 100 Questions 30 Time Limit 60 Minutes Requires Respondus LockDown Browser

Attempt History Attempt Time Score LATEST Attempt 1 35 minutes 69 out of 100

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YYoou Annswwerreed Correct Answe E B C D r A Which pair is anomeric?

• D-ribose and D-galactose
• -D-allose and -D-allose
• D-Ribose and L-fructose
• D-glucose and L-glucose
• -D-idose and -L-idose
• / 3 pts Question 3

Coorrrecctt!A polysaccharide is formed Gas is eliminated An epimer is formed An anomeric carbon is formed on carbon-1 Lactose forms by a condensation reaction Lactose is made from linking galactose and glucose. When this happens, .

• / 3 pts Question 4

Coorrrecctt!

They differ only in the configuration about one carbon atom They react differently with iodine 2 / 3

YYoou Annswwerreed Correct Answe E C

D r B A Which statement about starch and glycogen is false?

• Amylose is unbranched; amylopectin and glycogen contain many ( 1

6) branches

• Both are homopolymers of glucose
• Both serve primarily as structural elements in cell walls
• Both starch and glycogen are energy storage polysaccharides
• Glycogen is more extensively branched than starch
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Question 6

Coorrrecctt!A B C D E

Amylose and amylopectin are both polymers of:

• -D-glucose
• -D-glucose
• Galactose
• Idose
• Maltose
• / 3 pts Question 5
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