Swimming Requires 540 Calories Per Hour $\frac { 1 } { 2 }$

question 63

Multiple Choice

Swimming requires 540 Calories per hour. How many pounds could be lost by swimming 1 $\frac { 1 } { 2 }$ h each day for 5 days if no extra calories were consumed? (3500 Calories are equivalent to 1 lb.)

• A) 1.15 lb
• B) 1.24 lb
• C) 1.2 lb
• D) 1.17 lb
• E) 1.19 lb

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Definitions:

Lipid Bilayer

A fundamental structure in cell membranes composed of two layers of lipid molecules, crucial for cellular integrity and function.

Hydrophobic

Describing molecules or parts of molecules that repel water, often nonpolar substances that do not mix well with water.

Hydrophilic

Describes molecules or substances that are attracted to water and can be dissolved in it, typically because of the presence of polar groups.

Phospholipids

A class of lipids that are a major component of all cell membranes, consisting of two fatty acids, a glycerol unit, and a phosphate group, playing key roles in cellular structures and functions.