N10.2 The B Vitamins

Many coenzymes are

• saccharides

• vitamins

• proteins

• peptides

The type of reaction that occurs when a molecule is broken down by an enzyme.

• Denatured

• Catabolic reaction

• Anabolic Reaction

• Decomposition

Substances that co-operate with an enzyme to help it and its substrate fit together better

• competitive inhibitor

• active site

• denature

• coenzyme

The molecule that an enzyme acts on

• active site

• coenzyme

• substrate

• protein

Thiamin needs typically met by food if sufficient calories are eaten

• true

• false

Which of the following is a good source of thiamin?

• fortified cereal

• banana

• egg

• tofu

• broccoli

Which of the following is one of the best sources of thiamin per kcal? (Check all that apply.)

• fortified cereal

• pork chop

• egg

• soy milk

• broccoli

_____ can impair absorption of thiamin.

_____ is a muscle-wasting disease of chronic thiamin deficiency.

Milk is typically kept in light-protective containers because _____ is easily broken down by UV exposure.

• riboflavin

• thiamin

• niacin

• cobalamin

• folate