Question 1

Saturated fats are saturated with ________.

Accepted Answer

A) carbon 
B) nitrogen 
C) hydrogen 
D) oxygen 
A) carbon 
B) nitrogen 
C) hydrogen 
D) oxygen

Question 2

How does RNA differ from DNA?

Accepted Answer

A) RNA is double-stranded; DNA is single-stranded. 
B) RNA is a polymer of amino acids; DNA is a polymer of nucleotides. 
C) RNA contains uracil; DNA contains thymine. 
D) In RNA G pairs with T; in DNA G pairs with C. 
A) RNA is double-stranded; DNA is single-stranded. 
B) RNA is a polymer of amino acids; DNA is a polymer of nucleotides. 
C) RNA contains uracil; DNA contains thymine. 
D) In RNA G pairs with T; in DNA G pairs with C.

Question 3

In the following reaction,galactose is a ________. galactose + glucose → lactose + water

Accepted Answer

A) polysaccharide 
B) monomer 
C) polymer 
D) protein 
A) polysaccharide 
B) monomer 
C) polymer 
D) protein

Question 4

People with lactose intolerance do not have enough ________.

Accepted Answer

A) lactose 
B) lactase 
C) glucose 
D) fructose 
A) lactose 
B) lactase 
C) glucose 
D) fructose

Question 5

Extremophilic bacteria are able to survive in hostile environments,including scalding hot water as well as springs and vents that reach temperatures over 100°C.Researchers studying these bacteria measured the function of a protein from an extremophile bacterium at 100°C,and they also measured the function of a similar protein from a human cell at 100°C.Which of the following results do you think the researchers obtained?

Accepted Answer

A) The bacterial protein functioned normally,whereas the human protein did not. 
B) The human protein functioned normally,whereas the bacterial protein did not. 
C) The bacterial protein and the human protein both functioned normally. 
D) Neither the human protein nor the bacterial protein functioned normally. 
A) The bacterial protein functioned normally,whereas the human protein did not. 
B) The human protein functioned normally,whereas the bacterial protein did not. 
C) The bacterial protein and the human protein both functioned normally. 
D) Neither the human protein nor the bacterial protein functioned normally.

Question 6

________ is a steroid.

Accepted Answer

A) Butter 
B) Sucrose 
C) Amino acid 
D) Estrogen 
A) Butter 
B) Sucrose 
C) Amino acid 
D) Estrogen

Question 7

The manufacturer of the chocolate mint cookies changed the ingredients of its cookies.Each serving now has 1 gram of saturated fat (4 fewer grams),4 grams of trans fat (4 more grams),21 grams of carbohydrates (1 fewer gram),and 11 grams of protein (no change).Do you think that the manufacturer made these cookies healthier?

Accepted Answer

A) No,because they now have less saturated fat. 
B) Yes,because they now have less saturated fat. 
C) Yes,because they now have fewer grams of carbohydrates. 
D) No,because they now have more grams of trans fat. 
A) No,because they now have less saturated fat. 
B) Yes,because they now have less saturated fat. 
C) Yes,because they now have fewer grams of carbohydrates. 
D) No,because they now have more grams of trans fat.

Question 8

Which of the following is TRUE with regard to a DNA molecule?

Accepted Answer

A) The amount of adenine is equal to the amount of guanine,and the amount of thymine is equal to the amount of cytosine. 
B) The amount of adenine is equal to the amount of cytosine,and the amount of guanine is equal to the amount of thymine. 
C) The amount of adenine is equal to the amount of thymine,and the amount of guanine is equal to the amount of uracil. 
D) The amount of adenine is equal to the amount of thymine,and the amount of guanine is equal to the amount of cytosine. 
A) The amount of adenine is equal to the amount of guanine,and the amount of thymine is equal to the amount of cytosine. 
B) The amount of adenine is equal to the amount of cytosine,and the amount of guanine is equal to the amount of thymine. 
C) The amount of adenine is equal to the amount of thymine,and the amount of guanine is equal to the amount of uracil. 
D) The amount of adenine is equal to the amount of thymine,and the amount of guanine is equal to the amount of cytosine.

Question 9

The following molecule is best described as a(n)________. CH₃-CH₂-CH₂-CH₂

Accepted Answer

A) protein 
B) carbohydrate 
C) organic compound 
D) inorganic compound 
A) protein 
B) carbohydrate 
C) organic compound 
D) inorganic compound

Saturated fats are saturated with ________.

How does RNA differ from DNA?

In the following reaction,galactose is a ________. galactose + glucose → lactose + water

People with lactose intolerance do not have enough ________.

________ is a steroid.

Which of the following is TRUE with regard to a DNA molecule?

The following molecule is best described as a(n)________. CH₃-CH₂-CH₂-CH₂

Introduction: Biology Today

Essential Chemistry for Biology

A Tour of the Cell

The Working Cell

Cellular Respiration: Obtaining Energy From Food

Photosynthesis: Using Light to Make Food

Cellular Reproduction: Cells From Cells

Patterns of Inheritance

The Structure and Function of Dna

How Genes Are Controlled

DNA Technology

How Populations Evolve

How Biological Diversity Evolves

The Evolution of Microbial Life

The Evolution of Plants and Fungi

The Evolution of Animals

An Introduction to Ecology and the Biosphere

Population Ecology

Communities and Ecosystems

Unifying Concepts of Animal Structure and Function

Nutrition and Digestion

Circulation and Respiration

The Bodys Defenses

Hormones

Reproduction and Development

Nervous,Sensory,and Locomotor Systems

The Life of a Flowering Plant

The Working Plant

Filters

Exam 3: The Molecules of Life

Saturated fats are saturated with ________.

How does RNA differ from DNA?

In the following reaction,galactose is a ________. galactose + glucose → lactose + water

People with lactose intolerance do not have enough ________.

________ is a steroid.

Which of the following is TRUE with regard to a DNA molecule?

The following molecule is best described as a(n)________. CH₃-CH₂-CH₂-CH₂

Introduction: Biology Today

Essential Chemistry for Biology

A Tour of the Cell

The Working Cell

Cellular Respiration: Obtaining Energy From Food

Photosynthesis: Using Light to Make Food

Cellular Reproduction: Cells From Cells

Patterns of Inheritance

The Structure and Function of Dna

How Genes Are Controlled

DNA Technology

How Populations Evolve

How Biological Diversity Evolves

The Evolution of Microbial Life

The Evolution of Plants and Fungi

The Evolution of Animals

An Introduction to Ecology and the Biosphere

Population Ecology

Communities and Ecosystems

Unifying Concepts of Animal Structure and Function

Nutrition and Digestion

Circulation and Respiration

The Bodys Defenses

Hormones

Reproduction and Development

Nervous,Sensory,and Locomotor Systems

The Life of a Flowering Plant

The Working Plant

Filters