Ultimate Organic Chemistry Test! Quiz
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Questions and Answers
- 1.
___________________ links monomers.
- A.
Hydrolysis
- B.
Amino Acid
- C.
Dehydration Synthesis
- D.
Nucleic Acid
Correct Answer
C. Dehydration SynthesisExplanation
Dehydration synthesis is the correct answer because it is the process by which monomers are linked together to form polymers. During dehydration synthesis, a water molecule is removed, allowing the monomers to bond together and form a larger molecule. This process is commonly seen in the formation of macromolecules such as proteins, nucleic acids, and carbohydrates.Rate this question:
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- 2.
__________________ breaks polymers apart.
- A.
Hydrolysis
- B.
Amino Acid
- C.
Dehydration Synthesis
- D.
Nucleic Acid
Correct Answer
A. HydrolysisExplanation
Hydrolysis is the process of breaking down polymers by adding water. In this process, the water molecule splits into a hydrogen ion (H+) and a hydroxide ion (OH-), and these ions break the bonds holding the polymer together. This reaction is commonly used in digestion, where large molecules such as carbohydrates, proteins, and fats are broken down into smaller, more easily absorbed molecules. Hydrolysis is the opposite of dehydration synthesis, which is the process of joining monomers together to form a polymer by removing water. Amino acids and nucleic acids are types of monomers that can be involved in both hydrolysis and dehydration synthesis reactions.Rate this question:
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- 3.
Which of these are the types of compounds?(There's more than 1)
- A.
Lipids
- B.
Proteins
- C.
Carbohydrates
- D.
Nucleic Acid
Correct Answer(s)
A. Lipids
B. Proteins
C. Carbohydrates
D. Nucleic AcidExplanation
Lipids, proteins, carbohydrates, and nucleic acids are all types of compounds. Lipids are a diverse group of molecules that include fats, oils, and steroids. Proteins are large molecules made up of amino acids and play a crucial role in many biological processes. Carbohydrates are organic compounds that provide energy to the body and include sugars, starches, and fibers. Nucleic acids, such as DNA and RNA, are responsible for storing and transmitting genetic information.Rate this question:
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- 4.
The monomer of a carbohydrate is ___________________.
- A.
Amino Acid
- B.
Glucose
- C.
Fatty Acid
- D.
Glycerol
Correct Answer
B. GlucoseExplanation
Glucose is the monomer of a carbohydrate. Carbohydrates are made up of monomers called monosaccharides, and glucose is a monosaccharide. It is a simple sugar that serves as an important source of energy in living organisms. Glucose molecules can join together through dehydration synthesis to form larger carbohydrates such as starch, cellulose, and glycogen.Rate this question:
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- 5.
The monomer of a protein is ___________________.
- A.
Glucose
- B.
Amino Acid
- C.
Fatty Acid & Glycerol
- D.
Nucleotide
Correct Answer
B. Amino AcidExplanation
The monomer of a protein is an amino acid. Proteins are made up of long chains of amino acids that are linked together by peptide bonds. Each amino acid consists of an amino group, a carboxyl group, and a unique side chain. These side chains can vary in size, shape, and chemical properties, which allows for the diverse functions and structures of proteins. Glucose is a monomer of carbohydrates, fatty acid and glycerol are monomers of lipids, and nucleotide is a monomer of nucleic acids, not proteins.Rate this question:
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- 6.
The monomer of a lipid is ___________________.
- A.
Glucose
- B.
Amino Acid
- C.
Fatty Acid & Glycerol
- D.
Nucleotide
Correct Answer
C. Fatty Acid & GlycerolExplanation
The correct answer is Fatty Acid & Glycerol. Lipids are organic compounds that are insoluble in water and include fats, oils, and waxes. The monomer of a lipid is a fatty acid and glycerol. Fatty acids are long hydrocarbon chains with a carboxyl group at one end, while glycerol is an alcohol with three hydroxyl groups. These two molecules combine through a dehydration reaction to form a lipid molecule, with the fatty acids attaching to the glycerol backbone. This combination of fatty acid and glycerol units forms the building blocks of lipids.Rate this question:
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- 7.
The monomer of nucleic acid is ___________________.
- A.
Glucose
- B.
Amino Acid
- C.
Fatty Acid & Glycerol
- D.
Nucleotide
Correct Answer
D. NucleotideExplanation
A nucleic acid is composed of repeating units called nucleotides, which are the monomers of nucleic acids. Nucleotides consist of a sugar molecule (either ribose or deoxyribose), a phosphate group, and a nitrogenous base (adenine, guanine, cytosine, thymine, or uracil). These nucleotides link together through phosphodiester bonds to form the backbone of DNA or RNA. Therefore, the correct monomer of nucleic acid is a nucleotide.Rate this question:
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- 8.
A protein catalyst is___________________.
- A.
Polarities
- B.
Adhesion
- C.
Enzyme
- D.
Heat Capacity
Correct Answer
C. EnzymeExplanation
An enzyme is a protein catalyst that speeds up chemical reactions in living organisms. It does so by lowering the activation energy required for the reaction to occur, thereby increasing the rate of the reaction. Enzymes are highly specific in their action and can catalyze a wide range of biochemical reactions in cells. They play a crucial role in various physiological processes such as digestion, metabolism, and DNA replication. Enzymes are essential for maintaining the overall functioning and homeostasis of an organism.Rate this question:
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- 9.
Carbon is the element of life (it's unique) because ___________________.
- A.
It has a positive and negative end
- B.
It has 7 bonding points
- C.
It has only a negative end
- D.
It has 4 bonding points
Correct Answer
D. It has 4 bonding pointsExplanation
Carbon is the element of life because it has 4 bonding points. This allows carbon to form stable covalent bonds with other elements, including itself, and create a wide variety of complex organic molecules. These molecules are the building blocks of life and are essential for the structure and function of all living organisms. Carbon's ability to form multiple bonds and create diverse molecular structures is what makes it unique and crucial for life as we know it.Rate this question:
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- 10.
What makes water a universal solvent?
- A.
It has a positive and negative end
- B.
It has 3 bonding points
- C.
Because its water
- D.
Its' polarities
Correct Answer
D. Its' polaritiesExplanation
Water is a universal solvent because of its polarities. The water molecule consists of two hydrogen atoms bonded to one oxygen atom. Due to the difference in electronegativity between oxygen and hydrogen, the oxygen atom pulls the shared electrons closer to itself, creating a partial negative charge. Simultaneously, the hydrogen atoms have a partial positive charge. This polarity allows water molecules to attract and dissolve substances that have an electrical charge, such as salts and other polar molecules. Therefore, water can dissolve a wide variety of solutes, making it a universal solvent.Rate this question:
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- 11.
Why is water a polar molecule?
- A.
It has 4 bonding points
- B.
Its polarities
- C.
It has a positive and negative end
- D.
Its heat capacity
Correct Answer
C. It has a positive and negative endExplanation
Water is a polar molecule because it has a positive and negative end. This is due to the unequal sharing of electrons between the oxygen and hydrogen atoms in the water molecule. The oxygen atom attracts the shared electrons more strongly, making it slightly negative, while the hydrogen atoms become slightly positive. This separation of charges creates a polarity in the molecule, making it polar.Rate this question:
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- 12.
___________________ is when water is attracted to a solid surface.
- A.
Cohesion
- B.
Adhesion
- C.
Capillary Action
- D.
Surface Tension
Correct Answer
B. AdhesionExplanation
Adhesion is the correct answer because it refers to the phenomenon where water molecules are attracted to a solid surface. This attraction is due to the intermolecular forces between the water molecules and the molecules of the solid surface. Adhesion allows water to stick to surfaces and spread out, forming a thin film or droplets. This property is important in many biological and physical processes, such as capillary action, where water is able to move against gravity in narrow spaces due to the adhesive forces between water and the walls of the space.Rate this question:
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- 13.
___________________ is when water is attracted to water.
- A.
Cohesion
- B.
Adhesion
- C.
Capillary Action
- D.
Surface Tension
Correct Answer
A. CohesionExplanation
Cohesion is when water molecules are attracted to other water molecules. This attraction is due to hydrogen bonding between the water molecules. It is this cohesive force that allows water to form droplets and maintain its liquid state. Adhesion, on the other hand, is when water molecules are attracted to other substances. Capillary action is the ability of a liquid to flow in narrow spaces against gravity, and surface tension is the force that acts on the surface of a liquid and causes it to behave like a stretched elastic sheet.Rate this question:
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- 14.
The maximum amount of heat a molecule can have before a phase change is called ___________________.
- A.
Capillary action
- B.
Cohesion
- C.
Adhesion
- D.
Heat capacity
Correct Answer
D. Heat capacityExplanation
Heat capacity refers to the maximum amount of heat that a molecule can have before undergoing a phase change. It is a measure of the amount of heat energy required to raise the temperature of a substance by a certain amount. A higher heat capacity indicates that a substance can absorb more heat without undergoing a phase change, while a lower heat capacity means that a substance is more likely to undergo a phase change at lower temperatures.Rate this question:
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Current Version
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Mar 21, 2023Quiz Edited by
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Jun 11, 2009Quiz Created by
Xoshortz218ox
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