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Which is NOT a main component of food?

Minerals. The four main food components are proteins, carbohydrates, water, and lipids.

What food component contributes 9 calories per gram?

Lipids. Carbohydrates contribute 4 calories per gram, as do sugars since they are carbohydrates, and water contributes 0 calories per gram.

Which of the following contributes 0 calories per gram?

Fiber. Fiber contributes 0 calories per gram because the body does not digest and absorb fiber. Carbohydrates and proteins both contribute 4 calories per gram, and lipids contribute 9 calories per gram.

The two types of carbohydrates are organic and inorganic.

f. Carbohydrates can either be complex or simple.

Which disaccharide is composed of glucose and fructose?

Sucrose. Lactose is composed of galactose and glucose, maltose is composed of glucose and glucose, as is trehalose(lactose and trehalose are isomers).

What is the common name for sucrose?

Sugar. Sucrose, or sugar, is a disaccharide composed of glucose and fructose.

What enzyme is used to break down starches?

Amylase. Amyl- means starch in Latin, and -ase means enzyme in Latin.

In an iodine-solution test for starch, what color will a sample turn if starch is present?

Black. If the test is negative, the sample is golden-brown.

An unsaturated fat has double bonds.

t. A polyunsaturated fat has multiple double bonds, and a monounsaturated fat has a single double bond. A saturated fat has the maximum number of hydrogen atoms it can hold, and has no double or triple bonds.

Of the following sugars, which produces carbon dioxide gas the fastest when it reacts with yeast?

Sucrose. Lactose produces no carbon dioxide, and sucrose produces the most.