Question 1

The primary energy source for the brain is

Accepted Answer

A) lactate. 
B) triacylglycerols. 
C) amino acids. 
D) fructose. 
E) glucose. 
A) lactate. 
B) triacylglycerols. 
C) amino acids. 
D) fructose. 
E) glucose.

Question 2

The final products of catabolic reactions are

Accepted Answer

A) carbon dioxide, water, and ammonia. 
B) glucose, lipids, and glycogen. 
C) lipids, oxygen, and water. 
D) RNA and DNA. 
E) lipids and carbohydrates. 
A) carbon dioxide, water, and ammonia. 
B) glucose, lipids, and glycogen. 
C) lipids, oxygen, and water. 
D) RNA and DNA. 
E) lipids and carbohydrates.

Question 3

Glycogen storage disease occurs when an enzyme is deficient and impedes the storage or degradation of glycogen.

Accepted Answer

A) True 
 B)False

Question 4

Under aerobic conditions, pyruvate is converted to ethanol.

Accepted Answer

A) True 
 B)False

Question 5

The product of glycolysis is glucose.

Accepted Answer

A) True 
 B)False

Question 6

The digestion of carbohydrates goes from

Accepted Answer

A) glucose to dextrins to maltose. 
B) maltose to polysaccharides. 
C) polysaccharides to dextrins to glucose. 
D) polysaccharides to glucose to dextrins. 
E) glucose to polysaccharides. 
A) glucose to dextrins to maltose. 
B) maltose to polysaccharides. 
C) polysaccharides to dextrins to glucose. 
D) polysaccharides to glucose to dextrins. 
E) glucose to polysaccharides.

Question 7

Digestion of a polysaccharide is an anabolic process.

Accepted Answer

A) True 
 B)False

Question 8

Glycogenesis obtains energy from

Accepted Answer

A) ADP. 
B) UTP. 
C) Pi. 
D) pyrophosphate. 
E) pyruvate. 
A) ADP. 
B) UTP. 
C) Pi. 
D) pyrophosphate. 
E) pyruvate.

Question 9

An acyl group contains at least ________ carbon atom(s).

Accepted Answer

A) one 
B) two 
C) three 
D) four 
E) five 
A) one 
B) two 
C) three 
D) four 
E) five

Question 10

An enzyme that can facilitate the breakdown of starch into smaller units is

Accepted Answer

A) glucose phosphatase. 
B) alcohol dehydrogenase. 
C) amylase. 
D) lactase. 
E) maltase. 
A) glucose phosphatase. 
B) alcohol dehydrogenase. 
C) amylase. 
D) lactase. 
E) maltase.

Question 11

Pantothenic acid is a part of NADH.

Accepted Answer

A) True 
 B)False

Question 12

Most of the energy in the typical animal cell is produced in the ________.

Accepted Answer

A) cytosol 
B) nucleus 
C) mitochondria 
D) lysosomes 
E) endoplasmic reticulum 
A) cytosol 
B) nucleus 
C) mitochondria 
D) lysosomes 
E) endoplasmic reticulum

Question 13

Glycolysis is a(n) ________ process.

Accepted Answer

A) aerobic 
B) anaerobic 
C) anabolic 
D) one-step 
E) five-step 
A) aerobic 
B) anaerobic 
C) anabolic 
D) one-step 
E) five-step

Question 14

Coenzyme A is a molecule whose function is to

Accepted Answer

A) activate enzyme A. 
B) undergo phosphorylation. 
C) provide energy for the citric acid cycle. 
D) produce acyl groups for reaction. 
E) help break down macromolecules. 
A) activate enzyme A. 
B) undergo phosphorylation. 
C) provide energy for the citric acid cycle. 
D) produce acyl groups for reaction. 
E) help break down macromolecules.

Question 15

Protein synthesis takes place

Accepted Answer

A) in the mitochondria. 
B) on the endoplasmic reticulum. 
C) in the nucleus. 
D) on the ribosomes. 
E) in the cytosol. 
A) in the mitochondria. 
B) on the endoplasmic reticulum. 
C) in the nucleus. 
D) on the ribosomes. 
E) in the cytosol.

Question 16

How many main stages of catabolism are there?

Accepted Answer

A) one 
B) two 
C) three 
D) four 
E) five 
A) one 
B) two 
C) three 
D) four 
E) five

Question 17

The energy for most energy-requiring reactions in the cells of the body is obtained by the hydrolysis of ________.

Accepted Answer

A) ATP 
B) ADP 
C) AMP 
D) cyclic AMP 
E) GTP 
A) ATP 
B) ADP 
C) AMP 
D) cyclic AMP 
E) GTP

Question 18

The term that refers to all of the chemical reactions in living cells is ________.

Accepted Answer

A) glycolysis 
B) β-oxidation 
C) metabolism 
D) anabolism 
E) catabolism 
A) glycolysis 
B) β-oxidation 
C) metabolism 
D) anabolism 
E) catabolism

Question 19

Energy production in the cell occurs primarily in the nucleus.

Accepted Answer

A) True 
 B)False

Question 20

NAD+ stands for the coenzyme

Accepted Answer

A) niacin adenine dinucleotide. 
B) nicotinic acid diphosphate. 
C) nicotinamide diphosphate. 
D) nicotine adenosine dinucleotide. 
E) nicotinamide adenine dinucleotide. 
A) niacin adenine dinucleotide. 
B) nicotinic acid diphosphate. 
C) nicotinamide diphosphate. 
D) nicotine adenosine dinucleotide. 
E) nicotinamide adenine dinucleotide.

Exam 22: Metabolic Pathways for Carbohydrates

The primary energy source for the brain is

The final products of catabolic reactions are

Glycogen storage disease occurs when an enzyme is deficient and impedes the storage or degradation of glycogen.

Under aerobic conditions, pyruvate is converted to ethanol.

The product of glycolysis is glucose.

The digestion of carbohydrates goes from

Digestion of a polysaccharide is an anabolic process.

Glycogenesis obtains energy from

An acyl group contains at least ________ carbon atom(s).

An enzyme that can facilitate the breakdown of starch into smaller units is

Pantothenic acid is a part of NADH.

Most of the energy in the typical animal cell is produced in the ________.

Glycolysis is a(n) ________ process.

Coenzyme A is a molecule whose function is to

Protein synthesis takes place

How many main stages of catabolism are there?

The energy for most energy-requiring reactions in the cells of the body is obtained by the hydrolysis of ________.

The term that refers to all of the chemical reactions in living cells is ________.

Energy production in the cell occurs primarily in the nucleus.

NAD+ stands for the coenzyme

Chemistry in Our Lives

Chemistry and Measurements

Energy and Matter

Atoms

Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Reactions and Quantities

Gases

Solutions

Reaction Rates and Chemical Equilibrium

Acids and Bases

Introduction to Organic Chemistry: Hydrocarbons

Alcohols, Phenols, Thiols, and Ethers

Aldehydes, Ketones, and Chiral Molecules

Carbohydrates

Carboxylic Acids and Esters

Lipids

Amines and Amides

Amino Acids and Proteins

Enzymes and Vitamins

Nucleic Acids and Protein Synthesis

Metabolism and Energy Production

Metabolic Pathways for Lipids and Amino Acids

Filters

NAD⁺ stands for the coenzyme