$$\text{Monomer} + \text{Monomer} \rightarrow \text{Polymer} + H_2O$$

Question 1

Which of the following is an example of an inorganic compound found in the human body?

Accepted Answer

Water

Question 2

Water is considered the universal solvent in biological systems. Which property of water allows it to dissolve hydrophilic substances?

Accepted Answer

Polar molecules

Question 3

Which reaction is responsible for the breakdown of polymers into monomers in biological systems?

Accepted Answer

Hydrolysis

Question 4

A student mixes oil and water in a beaker. The oil does not dissolve. Which term best describes oil in this scenario?

Accepted Answer

Hydrophobic

Question 5

Which of the following is the correct general molecular formula for carbohydrates?

Accepted Answer

$$C_nH_{2n}O_n$$

Question 6

Which process is used by the liver to create glucose from non-carbohydrate sources?

Accepted Answer

Gluconeogenesis

Question 7

Which of the following statements about dehydration synthesis is correct?

Accepted Answer

It forms polymers from monomers by removing water.

Question 8

Which type of biological macromolecule always contains C, H, and O, and sometimes N, P, or S?

Accepted Answer

Biological macromolecules

Question 9

Which of the following is a monomer of carbohydrates?

Accepted Answer

Monosaccharide

Question 10

Which property of water is most important for regulating body temperature during exercise?

Accepted Answer

High heat of vaporization

Question 11

Which of the following reactions decreases blood glucose levels?

Accepted Answer

Glycogenesis

Question 12

Which of the following is NOT a function of carbohydrates in the human body?

Accepted Answer

Universal solvent

Question 13

Which of the following best describes the difference between organic and inorganic compounds?

Accepted Answer

Organic compounds contain carbon; inorganic compounds generally do not, except for CO$$_2$$ and CO.

Question 14

Which of the following is a disaccharide formed by dehydration synthesis of glucose and fructose?

Accepted Answer

Sucrose

Question 15

Which of the following is a correct representation of a dehydration synthesis reaction?

Accepted Answer

$$	ext{Monomer} + 	ext{Monomer} ightarrow 	ext{Polymer} + H_2O$$

Question 16

Which of the following is a hydrophilic molecule?

Accepted Answer

Glucose

Question 17

Which of the following statements about hydrolysis is correct?

Accepted Answer

It breaks down polymers into monomers by adding water.

Question 18

Which of the following is a correct example of a monosaccharide?

Accepted Answer

Glucose

Question 19

Which of the following best explains why water is an effective transport medium in the body?

Accepted Answer

It is polar and can dissolve many substances.

Question 20

Which of the following is a property of water that is critical for maintaining homeostasis in living organisms?

Accepted Answer

High heat capacity

Chapter 2: Chemistry Compounds of Life – Study Notes

Guida di studio - Domande di pratica