Question 1

Which of the following statements best describes the difference between organic and inorganic molecules in the human body?

Accepted Answer

Organic molecules always contain carbon, while inorganic molecules may or may not contain carbon.

Question 2

Water is considered a universal solvent in biological systems. Which property of water allows it to dissolve ionic and polar substances?

Accepted Answer

Its polarity, due to the unequal sharing of electrons between hydrogen and oxygen

Question 3

Which chemical reaction is responsible for breaking down polymers into monomers in biological systems?

Accepted Answer

Hydrolysis

Question 4

A student mixes table salt (NaCl) into water and observes that it dissolves completely. Which property of water is most responsible for this observation?

Accepted Answer

Water's ability to form hydrogen bonds

Question 5

Which of the following is an example of a dehydration synthesis reaction?

Accepted Answer

$$C_6H_{12}O_6$ + C_6H_{12}O_6$ \rightarrow C$$_{12}$$H_{22}O$$_{11} + H_2O$

Question 6

Which of the following best explains why water is an effective coolant for the human body?

Accepted Answer

Water has a high specific heat, allowing it to absorb and release large amounts of heat.

Question 7

Which of the following is a function of carbohydrates in the human body?

Accepted Answer

Providing energy for cellular processes

Question 8

A patient is diagnosed with glycogen storage disease, which affects the ability to break down glycogen into glucose. Which type of chemical reaction is impaired in this patient?

Accepted Answer

Hydrolysis

Question 9

Which of the following statements about lipids is correct?

Accepted Answer

Polyunsaturated fatty acids contain multiple double bonds.

Question 10

Which of the following best describes the structure of a phospholipid?

Accepted Answer

A hydrophilic head and two hydrophobic tails

Question 11

Which protein structure level is achieved when multiple polypeptide chains, each with its own tertiary structure, combine?

Accepted Answer

Quaternary structure

Question 12

Denaturation of a protein can occur due to extreme changes in temperature or pH. What is the primary consequence of protein denaturation?

Accepted Answer

The protein loses its specific function due to loss of shape.

Question 13

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

Accepted Answer

Energy storage

Question 14

Which of the following is the correct chemical formula for a hydrolysis reaction that breaks down maltose into glucose?

Accepted Answer

$$C_{12}H$$_{22}$$O_{11} + H_2O \rightarrow 2C_6H_{12}O_6$

Question 15

Which of the following biological macromolecules is primarily responsible for storing and transferring genetic information?

Accepted Answer

Nucleic acids

Question 16

A triglyceride is formed by the reaction of which molecules?

Accepted Answer

Three fatty acids and one glycerol

Question 17

Which of the following statements about amphipathic molecules is correct?

Accepted Answer

They have both hydrophilic and hydrophobic regions.

Question 18

Which of the following is a function of ATP in cellular metabolism?

Accepted Answer

Providing energy for cellular processes

Question 19

Which of the following best describes the process of dehydration synthesis?

Accepted Answer

A water molecule is removed to join two monomers together.

Question 20

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

Accepted Answer

Glucose

Biochemistry Foundations for Anatomy & Physiology: Water, Biomolecules, and Their Functions

스터디 가이드 - 연습 문제

학습 가이드 - 플래시카드