What is the primary role of glucuronic acid in the metabolic pathway discussed?
Vitamins and Minerals | Vitamin C Biosynthesis & the GULO Pseudogene

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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To produce energy
To convert into vitamin C
To initiate the pentose phosphate pathway
To synthesize glucose
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which enzyme is responsible for the cyclization of colonic acid?
Glucuronate reductase
Galano 14 lactone hydrolase
NADPH oxidase
Urate oxidase
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why can't humans synthesize vitamin C?
They have an excess of uric acid
They do not consume enough fruits
They lack glucose
They have a nonfunctional gulo pseudogene
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which organisms are unable to synthesize vitamin C?
All mammals
All primates
Only humans
Guinea pigs, fruit bats, and haplorhines
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the major function of vitamin C in the body?
Energy production
Protein synthesis
Antioxidant activity
Calcium absorption
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary antioxidant in human blood?
Vitamin E
Glucose
Vitamin C
Uric acid
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it recommended for humans to take vitamin C supplements?
To enhance protein synthesis
To ensure adequate antioxidant intake
To increase energy levels
To improve calcium absorption
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