Humans Are Not Able to Digest Cellulose as a Food

question 14

Multiple Choice

Humans are not able to digest cellulose as a food source because:

• A) Cellulose is very insoluble.
• B) It is more important that the cellulose is used as fiber in our bodies.
• C) We lack the enzyme to break the β linkage in the cellulose.
• D) Cellulose is insoluble and we lack the enzyme to break the β linkage in the cellulose.
• E) All of these are reasons why we cannot digest cellulose.

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Definitions:

Melatonin

A hormone secreted by the pineal gland, involved in regulating sleep-wake cycles and circadian rhythms.

Calcitonin

A hormone produced by the thyroid gland that helps regulate calcium levels in the blood by reducing the calcium and phosphate levels in the blood.

Adipose Tissue

A type of body tissue that stores fat, serving both as a source of energy and as a form of insulation for the body.

Liver

A vital organ in vertebrates and some other animals which plays a key role in metabolism, detoxification, and various other bodily functions.