Exam 9: Water-Soluble Vitamins

Synthesis of coenzyme A starts with the phosphorylation of which vitamin?

Thiamin is important to fatty acid synthesis due to its requirement as a coenzyme for the pentose phosphate pathway enzyme _____.

Cheilosis is a symptom of a dietary deficiency of which vitamin?

Ascorbic acid can reduce the oxidized form of vitamin E. Choose the phrase that describes this.

Riboflavin coenzymes remain bound to their enzymes during the oxidation-reduction reactions and the complexes are called _____.

Which classical vitamin deficiency is known for the four Ds: dermatitis, dementia, diarrhea, and death?

Folate is vitally important for dividing cells during growth and cancer because of its essential role in the synthesis of _____.

Biotin must be covalently bound to each of four different enzymes in order for them to carry out _____.

The degradation of _____ provides the majority of one-carbon groups for pyrimidine synthesis. In this process _____ is formed.

Without enough vitamin C, collagen would _____.

A major function of B vitamins is to serve as:

PLP functions as a coenzyme for _____ when alanine enters the liver. Alanine becomes its α-keto acid, _____.

Metabolism of vitamin B₆ to the primary coenzyme form, pyridoxal phosphate, requires the action of what other B vitamin?

Which water-soluble vitamin contributes to "intracellular cement" in the formation of scar tissue and wound healing?

Intrinsic factor is required for the majority of absorption of which vitamin?

A deficiency of what vitamin is associated with these symptoms: hallucinations, lethargy, skin rash, alopecia, and muscle pain?

Vitamin C's actual participation in biochemical reactions usually involves its antioxidant ability. Choose the description of this activity.

Which of the water-soluble vitamins is able to be stored and retained in the body for long periods of time?

B₆-dependent transamination reactions are important in which process?

Which three vitamins are involved in the synthesis of fatty acids?