Question 1

Which feature is found in prokaryotic cells?

Accepted Answer

A)  nucleus 
B)  endoplasmic reticulum 
C)  Golgi apparatus 
D)  cell wall 
A)  nucleus 
B)  endoplasmic reticulum 
C)  Golgi apparatus 
D)  cell wall

Question 2

What are the internal membrane-bound compartments found in eukaryotic cells called?

Accepted Answer

The answer of What are the internal membrane-bound compartments found...

Question 3

What is the fundamental structural unit of life on Earth?

Accepted Answer

The answer of What is the fundamental structural unit of...

Question 4

Imagine a newly discovered biological molecule that is mostly hydrophobic in its structure. How would this new molecule be classified?

Accepted Answer

A)  carbohydrate 
B)  lipid 
C)  nucleic acid 
D)  protein 
A)  carbohydrate 
B)  lipid 
C)  nucleic acid 
D)  protein

Question 5

Why is oxygen considered highly electronegative?

Accepted Answer

A)  It pulls electrons toward itself. 
B)  It has a nonpolar structure. 
C)  It repels electrons away from its nucleus. 
D)  It discharges electrons readily out of the atom. 
A)  It pulls electrons toward itself. 
B)  It has a nonpolar structure. 
C)  It repels electrons away from its nucleus. 
D)  It discharges electrons readily out of the atom.

Question 6

Which type of macromolecule is present in enzymes?

Accepted Answer

A)  carbohydrates 
B)  lipids 
C)  nucleic acids 
D)  proteins 
A)  carbohydrates 
B)  lipids 
C)  nucleic acids 
D)  proteins

Question 7

Which of the following pairs of molecules can be held together by a hydrogen bond?

Accepted Answer

A)  one polar molecule and one nonpolar molecule 
B)  two negative ions 
C)  two nonpolar molecules 
D)  two polar molecules 
A)  one polar molecule and one nonpolar molecule 
B)  two negative ions 
C)  two nonpolar molecules 
D)  two polar molecules

Question 8

-Use the figure to answer the following question. If two or more of these molecules are in proximity to one another, how will they bond together?

Accepted Answer

A)  hydrogen bonding, with two hydrogen atoms bonded together 
B)  covalent bonding, with two oxygen atoms bonded together 
C)  hydrogen bonding, with a hydrogen atom bonded to an oxygen atom 
D)  ionic bonding, with a hydrogen ion bonded to an oxygen atom 
A)  hydrogen bonding, with two hydrogen atoms bonded together 
B)  covalent bonding, with two oxygen atoms bonded together 
C)  hydrogen bonding, with a hydrogen atom bonded to an oxygen atom 
D)  ionic bonding, with a hydrogen ion bonded to an oxygen atom

Question 9

If a solution has a pH of 2, how does its H⁺ ion concentration compare to a solution with a pH of 4?

Accepted Answer

A)  It is 2 times higher. 
B)  It is 10 times higher. 
C)  It is 100 times higher. 
D)  It is 1000 times higher. 
A)  It is 2 times higher. 
B)  It is 10 times higher. 
C)  It is 100 times higher. 
D)  It is 1000 times higher.

Question 10

Which component of cholesterol would classify it as a lipid?

Accepted Answer

A)  carbohydrates 
B)  phosphates 
C)  glycerol 
D)  hydrocarbons 
A)  carbohydrates 
B)  phosphates 
C)  glycerol 
D)  hydrocarbons

Question 11

Which feature is present in all known living things?

Accepted Answer

A)  genes made from proteins 
B)  growth from inorganic materials 
C)  absorption of sunlight for energy 
D)  metabolic reactions 
A)  genes made from proteins 
B)  growth from inorganic materials 
C)  absorption of sunlight for energy 
D)  metabolic reactions

Question 12

Which of the following is considered part of a living organism's metabolism?

Accepted Answer

A)  secretion of wastes 
B)  growth and development 
C)  responses to external stimuli 
D)  reproduction 
A)  secretion of wastes 
B)  growth and development 
C)  responses to external stimuli 
D)  reproduction

Question 13

Which monomer units combine to form polysaccharides?

Accepted Answer

A)  amino acids 
B)  fatty acids 
C)  nucleotides 
D)  sugars 
A)  amino acids 
B)  fatty acids 
C)  nucleotides 
D)  sugars

Which feature is found in prokaryotic cells?

What are the internal membrane-bound compartments found in eukaryotic cells called?

What is the fundamental structural unit of life on Earth?

Imagine a newly discovered biological molecule that is mostly hydrophobic in its structure. How would this new molecule be classified?

Why is oxygen considered highly electronegative?

Which type of macromolecule is present in enzymes?

Which of the following pairs of molecules can be held together by a hydrogen bond?

-Use the figure to answer the following question. If two or more of these molecules are in proximity to one another, how will they bond together?

If a solution has a pH of 2, how does its H⁺ ion concentration compare to a solution with a pH of 4?

Which component of cholesterol would classify it as a lipid?

Which feature is present in all known living things?

Which of the following is considered part of a living organism's metabolism?

Which monomer units combine to form polysaccharides?

Can Science Cure the Common Cold Introduction to the Scientific Method

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DNA Detective: Complex Patterns of Inheritance and Dna Profiling

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An Evolving Enemy: Natural Selection

Who Am I Species and Races

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Is the Human Population Too Large Population Ecology

Conserving Biodiversity: Community and Ecosystem Ecology

Where Do You Live Climate and Biomes

Organ Donation: Tissues and Organs

Binge Drinking: the Digestive and Urinary Systems

Clearing the Air: Respiratory and Cardiovascular Systems

Vaccination: Protection and Prevention or Peril Immune System,

Human Sex Differences: Endocrine, Skeletal, and Muscular Systems

Is There Something in the Water Reproductive and Developmental Biology

Study Drugs: Brain Boost or Brain Drain Brain Structure and Function

Feeding the World: Plant Structure and Growth

Growing a Green Thumb: Plant Physiology

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Exam 2: Science Fiction, Bad Science, and Pseudoscience:

Which feature is found in prokaryotic cells?

What are the internal membrane-bound compartments found in eukaryotic cells called?

What is the fundamental structural unit of life on Earth?

Imagine a newly discovered biological molecule that is mostly hydrophobic in its structure. How would this new molecule be classified?

Why is oxygen considered highly electronegative?

Which type of macromolecule is present in enzymes?

Which of the following pairs of molecules can be held together by a hydrogen bond?

-Use the figure to answer the following question. If two or more of these molecules are in proximity to one another, how will they bond together?

If a solution has a pH of 2, how does its H⁺ ion concentration compare to a solution with a pH of 4?

Which component of cholesterol would classify it as a lipid?

Which feature is present in all known living things?

Which of the following is considered part of a living organism's metabolism?

Which monomer units combine to form polysaccharides?

Can Science Cure the Common Cold Introduction to the Scientific Method

Is It Possible to Supplement Your Way to Better Performance and Health

Body Weight and Health: Enzymes, Metabolism, and Cellular Respiration

Life in the Greenhouse: Photosynthesis and Climate Change

Cancer: DNA Synthesis, Mitosis, and Meiosis

Are You Only As Smart As Your Genes Mendelian and Quantitative Genetics

DNA Detective: Complex Patterns of Inheritance and Dna Profiling

Genetically Modified Organisms: Gene Expression, Mutation,

Where Did We Come From the Evidence for Evolution

An Evolving Enemy: Natural Selection

Who Am I Species and Races

The Greatest Species on Earth Biodiversity and Classification

Is the Human Population Too Large Population Ecology

Conserving Biodiversity: Community and Ecosystem Ecology

Where Do You Live Climate and Biomes

Organ Donation: Tissues and Organs

Binge Drinking: the Digestive and Urinary Systems

Clearing the Air: Respiratory and Cardiovascular Systems

Vaccination: Protection and Prevention or Peril Immune System,

Human Sex Differences: Endocrine, Skeletal, and Muscular Systems

Is There Something in the Water Reproductive and Developmental Biology

Study Drugs: Brain Boost or Brain Drain Brain Structure and Function

Feeding the World: Plant Structure and Growth

Growing a Green Thumb: Plant Physiology

Filters