18 Questions
What is the main function of water in the body?
To help regulate body temperature
Which statement about electrolytes is true?
Electrolytes are important for cellular function
What percentage of total cell mass does water typically account for?
70%
How does water help deliver oxygen and nutrients in the body?
By serving as a medium for transporting substances
Which role does water play in preventing constipation?
It flushes waste products mainly in urine
What happens to significant fatty quantities in the body?
They are stored in the liver and adipose tissue
Why are electrolytes important for cells?
To allow cells to function properly
Which body part does water help lubricate?
Joints
What is the main structural difference between monosaccharides and disaccharides?
The presence of glycosidic linkages
Which type of carbohydrates are polymeric carbohydrate molecules composed of long chains of monosaccharides?
Polysaccharides
What is the primary function of triglycerides among lipids?
Energy storage
Which group of vitamins cannot be stored in the body and must be regularly consumed to prevent deficiencies?
Water-soluble vitamins
What distinguishes fat-soluble vitamins from water-soluble vitamins?
Water-soluble vitamins can be stored in the body
Which nutrient serves a crucial role in the structure of cell membranes among lipids?
Phospholipids
Why must vitamins be consumed through the diet and cannot be synthesized in adequate quantities by humans?
Vitamins have unique molecular structures
Which lipid is crucial for the synthesis of hormones like testosterone and estrogen?
Cholesterol
What is the primary function of carbohydrates in the body?
Energy storage
Which type of vitamin can be stored in the liver for many years?
Vitamin B12
Test your knowledge on the functions of proteins and nucleic acids in cells. Learn about storage, structural support, signaling, contractile movement, defense, enzymes, transport, and genetic information transmission.
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