$$\text{Total Cholesterol} = \text{LDL} + \text{HDL} + \text{Triglycerides}$$

Question 1

Which of the following best describes the relationship between monomers and polymers in biological macromolecules?

Accepted Answer

Polymers are large molecules made by linking monomers together via dehydration synthesis.

Question 2

Which process is responsible for breaking down starch into glucose molecules in the human digestive system?

Accepted Answer

Hydrolysis

Question 3

A patient is diagnosed with a disorder that prevents the breakdown of glycogen in their liver. Which metabolic process is most likely impaired?

Accepted Answer

Catabolism

Question 4

Which of the following equations correctly represents the general formula for a monosaccharide?

Accepted Answer

$$C_n(H_2O)_n$$

Question 5

During dehydration synthesis, what is the role of water in the formation of a polymer from monomers?

Accepted Answer

Water is removed as a byproduct when monomers are joined.

Question 6

Which type of bond forms between two monosaccharides during the synthesis of a disaccharide?

Accepted Answer

Glycosidic linkage

Question 7

A person develops an allergy to red meat after being bitten by a Lone Star tick. This is due to the introduction of which carbohydrate molecule?

Accepted Answer

Alpha-galactose

Question 8

Which of the following is NOT a function of lipids in biological systems?

Accepted Answer

Catalyzing chemical reactions

Question 9

Which of the following statements about phospholipids is correct?

Accepted Answer

Phospholipids form a bilayer in cell membranes due to their amphipathic nature.

Question 10

Which of the following is a polymer made from amino acid monomers?

Accepted Answer

Protein

Question 11

A triglyceride molecule is formed by the combination of which components?

Accepted Answer

Three fatty acids and one glycerol

Question 12

Which of the following best explains why saturated fats are solid at room temperature while unsaturated fats are liquid?

Accepted Answer

Unsaturated fats have double bonds that prevent tight packing of molecules.

Question 13

Which of the following medical conditions is associated with a defect in lipid metabolism?

Accepted Answer

Fatty acid oxidation defect

Question 14

Which of the following is a micronutrient essential for metabolic processes but required only in small quantities?

Accepted Answer

Vitamins

Question 15

Which of the following reactions is an example of anabolism?

Accepted Answer

Synthesis of proteins from amino acids

Question 16

Which of the following is the correct formula for calculating total cholesterol in the blood?

Accepted Answer

$$	ext{Total Cholesterol} = 	ext{LDL} + 	ext{HDL} + 	ext{Triglycerides}$$

Question 17

Which of the following is a polysaccharide used for energy storage in animals?

Accepted Answer

Glycogen

Question 18

Which of the following statements about catabolism and anabolism is correct?

Accepted Answer

Anabolism requires energy input to build complex molecules.

Question 19

Which of the following is a real-world example of a hydrolysis reaction?

Accepted Answer

Digestion of sucrose into glucose and fructose in the small intestine

Question 20

Which of the following best describes the amphipathic nature of phospholipids?

Accepted Answer

They have both hydrophilic and hydrophobic regions.

Chapter 5 - Part 1 Study Notes : Structure and Function of Large Biological Molecules

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