True or False? Lipids contain substantially more oxygen than carbohydrate molecules. Based on your answer, what does that suggest about lipid solubility in water?

What will be an ideal response?


False. Lipids contain much less oxygen than carbohydrates. Oxygen often participates in hydrogen bonding. With less oxygen, lipids are not able to hydrogen bond with water molecules and therefore are relatively insoluble in aqueous environments.

Anatomy & Physiology

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__________ nerves arise from the brain and generally innervate structures of the head and neck.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

The medulla oblongata controls many autonomic activities through the ________.

A. splanchnic nerves B. paravertebral ganglia C. vagus nerve D. collateral ganglia

Anatomy & Physiology

What substance provides buffering against excess hydrogen ions in the urine?

A. Sodium ions B. Ammonia C. Urea D. Bicarbonate ions

Anatomy & Physiology

The capillaries that nourish the epithelium and absorb digested nutrients lie in the ________

A) adventitia B) lamina propria C) submucosa D) serosa

Anatomy & Physiology