Biomolecules: Carbohydrates Class Course

AmenableSodalite avatar
AmenableSodalite
·
·
Download

Start Quiz

Study Flashcards

109 Questions

What is the main structural feature discussed for monosaccharides?

Glycosidic bond

Which polysaccharide is primarily associated with providing structural support in plant cell walls?

Cellulose

What is the role of carbohydrates in glycosylated compounds?

Protein modification

In the organization of living matter, what level consists of tissues and organs forming organ systems?

Organism level

What is formed when cells associate to form tissues?

Tissue

What is the main component in the cell wall of fungi?

Chitin

Which enzyme is specific for cleaving α(1-4) bonds in starch and glycogen?

β-Amylase

What type of glycosidic bond joins the glucose units in cellulose?

(Beta) b 1-4 glycosidic bond

Which carbohydrate provides mostly fiber in the diet and has glucose units oriented in different directions?

Cellulose

Where is glycogen mainly stored in the human body?

Liver and Muscle cells

Which enzyme degrades amylose to completion by cleaving α(1-4) bonds randomly to produce a mixture of glucose and maltose?

α-Amylase

What are the two glucose homopolymers that make up starch?

Amylose and Amylopectin

What type of bond joins the glucose units together linearly in amylose?

(Alpha) a 1-4 glycosidic bond

Which carbohydrate is readily available as an energy source to most animals?

Starch

What is the backbone linkage in amylopectin?

β(1-6)

Which type of organic compound is primarily responsible for the transmission of genetic information?

Nucleic acids

What are the primary energy sources for cells?

Carbohydrates

Which of the following is a common disaccharide?

Maltose

What type of organic compound is composed of long chains of amino acids?

Proteins

Which type of organic compound is primarily composed of carbon, hydrogen, and oxygen in a 1:2:1 ratio?

Carbohydrates

What are the simplest carbohydrates containing three to seven carbon atoms?

$C_6H_{12}O_6$

What type of bond joins two sugar units in a disaccharide?

$\beta$-glycosidic bond

What is the primary function of nucleic acids?

To transmit genetic information

What is the main component in the cell wall of fungi?

Chitin

What is the primary function of glycogen in the human body?

Providing energy storage in liver and muscle cells

Which enzyme is specific for cleaving α(1-6) bonds in starch and glycogen?

Debranching enzyme

What is the main component in the cell wall of plants?

Cellulose

What is the primary function of cellulose in animal diets?

Providing fiber

Which type of glycosidic bond joins the glucose units in cellulose?

(Beta) β 1-4 glycosidic bond

What are the two glucose homopolymers that make up starch?

(Alpha) α-Amylose and (Beta) β-Amylose

Which of the following is a heteropolysaccharide?

Hyaluronic acid

What is the primary energy source for cells?

Carbohydrates

Which enzyme degrades amylose to completion by cleaving $\alpha$(1-4) bonds randomly to produce a mixture of glucose and maltose?

Amylase

What is the main component in the cell wall of fungi?

Chitin

What type of bond joins two sugar units in a disaccharide?

$\beta$-glycosidic bond

What type of organic compound is primarily responsible for the transmission of genetic information from one generation to the next?

Nucleic acids

What are the simplest carbohydrates containing three to seven carbon atoms?

Sugars

What is formed when cells associate to form tissues?

Homopolysaccharides

What type of organic compound is primarily composed of carbon, hydrogen, and oxygen in a 1:2:1 ratio?

Carbohydrates

What is the primary function of chitin in the biological context?

Structural component of fungal cell walls

Which enzyme is specific for cleaving $\alpha$(1-6) bonds in glycogen?

Branching enzyme (glycogen phosphorylase)

What is the primary role of lipids in biological systems?

Energy storage

In the context of biological molecules, what is the primary function of nucleic acids?

Genetic information storage and expression

Which type of organic compound is primarily composed of long chains of amino acids?

Proteins

What is the main structural feature discussed for monosaccharides?

Carbonyl and hydroxyl groups

What type of bond joins the glucose units together linearly in amylose?

$eta$(1-4) glycosidic bond

Which carbohydrate provides mostly fiber in the diet and has glucose units oriented in different directions?

Cellulose

What are the simplest carbohydrates containing three to seven carbon atoms?

Monosaccharides

What is formed when cells associate to form tissues?

Organism

What are the four main elements of biological importance?

Carbon, hydrogen, oxygen, and nitrogen

Describe the structure of monosaccharides and the glycosidic bond.

Monosaccharides are single sugar units, while the glycosidic bond is a covalent bond formed between two monosaccharides by the loss of a water molecule.

Explain polysaccharide structure and describe cellulose, starch, and chitin.

Polysaccharides are complex carbohydrates composed of multiple monosaccharide units. Cellulose is a structural polysaccharide in plants, starch is a storage polysaccharide in plants, and chitin is a structural polysaccharide in fungi and animals.

Discuss the role of carbohydrates in glycosylated compounds.

Carbohydrates play a role in glycosylated compounds by being attached to proteins or lipids to form glycoproteins or glycolipids, which are involved in various biological processes.

How do organ systems work together in a functional organism?

Organ systems work together by coordinating the functions of different organs to maintain the overall health and function of the organism.

What is the organization of living matter at the cellular level?

Cells associate to form tissues, which then make up organs. Organs work together to form organ systems, and multiple organ systems make up an organism.

What makes up a community in the context of living matter?

A community consists of populations of different species that populate the same area.

What is the primary function of nucleic acids?

The primary function of nucleic acids is to store and transmit genetic information.

What is the primary role of lipids in biological systems?

The primary role of lipids in biological systems includes energy storage, insulation, and forming the structure of cell membranes.

What is the main component in the cell wall of plants?

Cellulose is the main component in the cell wall of plants, providing structural support and rigidity.

What are the main components of starch?

The main components of starch are 20% $\alpha$-Amylose and 80% Amylopectin.

What is the primary difference between starch and cellulose in terms of glucose unit orientation?

In starch, all the glucose repeating units are oriented in the same direction, but in cellulose, each successive glucose unit is rotated 180 degrees relative to the last repeat unit.

What are the main structural features of $\alpha$-Amylose and Amylopectin?

$\alpha$-Amylose is a long unbranched chain of glucose units linked by $\alpha$(1-4) bonds, while Amylopectin is a highly-branched polymer with branches every 24-30 glucose residues.

What is the primary function of cellulose in animal diets?

Cellulose only provides fiber in the diet (50% fecal material) as most animals do not have the enzymes necessary to break the 1-4 $\beta$-glycosidic linkages in cellulose.

What are the main components of chitin?

Chitin is primarily composed of N-acetyl glucosamine, which forms the external skeleton of insects, crayfish, and other arthropods, as well as the cell wall of fungi.

What is the primary function of glycogen in the human body?

Glycogen serves as the human storage equivalent of starch, sometimes called animal starch, and is mainly stored in the liver and muscle cells as an energy reserve.

What are the main differences between cellulose and chitin in terms of function and structure?

Cellulose is a structural carbohydrate in plants, providing structural support in cell walls, while chitin is found in animals and fungi, serving as the main component of the cell wall in fungi and the external skeleton in arthropods.

What is the role of phosphorylated sugars in energy-yielding metabolism?

Phosphorylated sugars occur as intermediates in energy-yielding metabolism, such as glucose-6-phosphate in glycolysis, and phosphorylation makes sugars anionic, allowing some of them to participate in glycosidic bonding as reactive intermediates.

What are the main differences in the glycosylation of glycoproteins and the phosphorylation of sugars?

Glycosylation involves the covalent addition of sugars to specific amino acids in glycoproteins, while phosphorylation of sugars occurs as intermediates in energy-yielding metabolism, making sugars anionic and allowing them to participate in glycosidic bonding as reactive intermediates.

What are the main differences in the structure and function of starch and cellulose?

Starch is used for energy storage in plants and readily available as an energy source to most animals, while cellulose is a structural carbohydrate in plants, making up over 50% of carbon compounds, and providing fiber in animal diets.

Explain the primary role of carbohydrates in the context of providing energy for cells and serving as structural components.

Carbohydrates serve as the primary energy source for cells and also act as structural components in the form of cellulose and chitin, providing support and rigidity to cell walls and exoskeletons.

Describe the process of forming polysaccharides from monosaccharides and provide examples of complex polysaccharides.

Polysaccharides are formed by joining monosaccharides together through glycosidic linkages. Examples of complex polysaccharides include starches, glycogen, cellulose, and chitin.

Differentiate between homopolysaccharides and heteropolysaccharides, and provide examples of each.

Homopolysaccharides are composed of a single type of sugar monomer, such as glucans made of D-glucose sugars, while heteropolysaccharides are composed of multiple types of monosaccharides, such as hyaluronic acid found in liquid connective tissues.

Explain the significance of organic compounds in the field of organic chemistry and their importance in understanding living organisms.

Organic compounds are studied in organic chemistry to understand the structures and functions of living organisms, as they form the basis of cellular structures, metabolic reactions, and genetic information transmission.

Discuss the primary functions and structural composition of proteins in cells and tissues.

Proteins serve essential functions in cells and tissues, functioning as structural components and carrying out various biological processes. They are composed of long chains of amino acids.

Describe the composition and role of nucleic acids, specifically DNA and RNA, in the transmission of genetic information.

Nucleic acids, including DNA and RNA, are responsible for transmitting genetic information from one generation to the next. They are composed of nucleotides and play a crucial role in the inheritance of genetic traits.

Explain the differences between organic and inorganic compounds, including their carbon content and relevance to the field of organic chemistry.

Organic compounds primarily contain carbon and hydrogen, while inorganic compounds do not contain carbon bonded to another carbon or hydrogen. Understanding these differences is important in the field of organic chemistry.

Discuss the properties and environmental conditions in which organic compounds exist, as well as the types of chemical reactions they undergo.

Organic compounds exist in aqueous environments and undergo chemical reactions within a narrow temperature range. They are mainly covalently bonded using condensation reactions and broken down by hydrolytic reactions.

Explain the significance of monosaccharides as the building blocks of complex carbohydrates and provide an example of a common monosaccharide.

Monosaccharides are the building blocks of more complex carbohydrates, with glucose being the most abundant monosaccharide and a primary energy source for most organisms.

Describe the role of macromolecules, such as proteins, water, and DNA, in performing various functions at the chemical level of the biosphere.

Macromolecules, including proteins, water, and DNA, play various essential functions at the chemical level of the biosphere, contributing to the structure, metabolism, and genetic information transmission in living organisms.

Carbohydrates are composed of carbon, hydrogen, and ______

oxygen

Carbohydrates are one of the main classes of ______ compounds

organic

The structure of monosaccharides includes a single sugar unit and a ______ bond

glycosidic

Cellulose, starch, and chitin are examples of ______

polysaccharides

The populations of different species that populate the same area make up a ______

community

Tissues and organs make up ______ systems

organ

Cells associate to form ______

tissues

The populations of different species that populate the same area make up a ______

community

Atoms and molecules make up the cellular level, forming ______

organelles

Organ systems work together in a functional ______

organism

Starch is the carbohydrate used for energy storage in ________

plants

Glycogen is the human storage equivalent sometimes called ________ starch

animal

(Alpha) a 1-4glycosidic bond joining the glucose units can be broken by enzymes present in the ________

gut

Starch is a mixture of two glucose homopolymers: (i) α-Amylose 20% (ii) Amylopectin 80%, Parenchyma cells of the potato, showing the central cell with obvious nucleus and purple-stained ________

starch

Amylopectin has a branch every 24-30 glucose residues, with ________ glucose units

2000 to 200,000

Cellulose is a linear polymer of glucose units joined by (Beta) ________ 1,4 glycosidic linkages

b

Chitin is the main component in the cell wall of ________

fungi

Glycoproteins contain oligosaccharides in glycosidic linkage to Serine, Threonine or Asparagine ________ acids

amino

Phosphorylated sugars occur as intermediates in energy-yielding metabolism, e.g. Glucose-6-phosphate in ________

glycolysis

The Chemistry of Life’ Organic Compounds Solomon 10th Ed. p44 -54 Solomon 11th Ed. p50 -55 Chapter 1 ‘A view of Life’ Solomon 11th Ed. p6 -7.

Recommended Reading

Macromolecules are large organic molecules, including proteins, water, and DNA, which perform various functions in the chemical level of the biosphere.

macromolecules

Organic compounds are primarily carbon compounds that make up the structures of cells and tissues, participate and regulate metabolic reactions, transmit information, and provide energy for life.

organic compounds

Biological macromolecules are large (thousands of atoms) and composed of ______ that are linked together to form functional units such as polysaccharides, proteins, and nucleic acids.

monomers

Glucose is the most abundant monosaccharide and is a sugar used as an energy source in most organisms.

glucose

Organic compounds exist in an ______ environment, undergo chemical reactions within a narrow temperature range, and are mainly covalently bonded using condensation reactions and broken down by hydrolytic reactions.

aqueous

Carbohydrates are organic compounds composed of carbon, hydrogen, and oxygen in a 1:2:1 ratio and are the primary energy source for cells, with cellulose and chitin serving as structural components.

carbohydrates

Monosaccharides can be joined together to form complex ______, such as glycogen and starch.

polysaccharides

Proteins are long chains of amino acids that are essential for the structure and function of cells and tissues.

proteins

Nucleic acids, including DNA and RNA, are responsible for the transmission of genetic information from one generation to the next and are composed of ______.

nucleotides

Inorganic compounds, which do not contain carbon bonded to another carbon or hydrogen, are not considered organic and include carbon dioxide, inorganic acids, bases, and salts.

inorganic compounds

Study Notes

  • Macromolecules are large organic molecules, including proteins, water, and DNA, which perform various functions in the chemical level of the biosphere.

  • Organic compounds are primarily carbon compounds that make up the structures of cells and tissues, participate and regulate metabolic reactions, transmit information, and provide energy for life.

  • Biological macromolecules are large (thousands of atoms) and composed of monomers that are linked together to form functional units such as polysaccharides, proteins, and nucleic acids.

  • Monosaccharides are the simplest carbohydrates, which contain three to seven carbon atoms and are the building blocks of more complex carbohydrates. Glucose is the most abundant monosaccharide and is a sugar used as an energy source in most organisms.

  • Organic compounds exist in an aqueous environment, undergo chemical reactions within a narrow temperature range, and are mainly covalently bonded using condensation reactions and broken down by hydrolytic reactions.

  • Carbohydrates are organic compounds composed of carbon, hydrogen, and oxygen in a 1:2:1 ratio and are the primary energy source for cells, with cellulose and chitin serving as structural components.

  • Sugars and starches are disaccharides, which consist of two sugar units linked together by glycosidic bonds, and are the primary energy sources for cells. Monosaccharides can be joined together to form complex polysaccharides, such as glycogen and starch.

  • Proteins are long chains of amino acids that are essential for the structure and function of cells and tissues.

  • Nucleic acids, including DNA and RNA, are responsible for the transmission of genetic information from one generation to the next and are composed of nucleotides.

  • Organic compounds are studied in the field of organic chemistry and are important for understanding the structures and functions of living organisms.

  • Inorganic compounds, which do not contain carbon bonded to another carbon or hydrogen, are not considered organic and include carbon dioxide, inorganic acids, bases, and salts.

  • Carbohydrates are essential for providing energy for cells and serve as structural components in the form of cellulose and chitin. They come in various forms, including monosaccharides, disaccharides, and polysaccharides, and the most common disaccharides are maltose, lactose, and sucrose.

  • Polysaccharides are large organic molecules made up of thousands of monosaccharide rings joined by glycosidic linkages. They can be long, single chains or branched chains, and they include starches, glycogen, cellulose, and chitin.

  • Homopolysaccharides, which are polymers composed of a single sugar monomer, are common and include glucans, which are polysaccharides of D-glucose sugars. Heteropolysaccharides, which are polymers composed of multiple monosaccharides, are also common and include hyaluronic acid, which maintains the elastoviscosity of liquid connective tissues.

  • The text also discusses the importance of carbohydrates in various contexts, including their role as energy sources for cells, the significance of lactose intolerance, and the importance of studying organic compounds in the field of organic chemistry.

  • Macromolecules are large organic molecules, including proteins, water, and DNA, which perform various functions in the chemical level of the biosphere.

  • Organic compounds are primarily carbon compounds that make up the structures of cells and tissues, participate and regulate metabolic reactions, transmit information, and provide energy for life.

  • Biological macromolecules are large (thousands of atoms) and composed of monomers that are linked together to form functional units such as polysaccharides, proteins, and nucleic acids.

  • Monosaccharides are the simplest carbohydrates, which contain three to seven carbon atoms and are the building blocks of more complex carbohydrates. Glucose is the most abundant monosaccharide and is a sugar used as an energy source in most organisms.

  • Organic compounds exist in an aqueous environment, undergo chemical reactions within a narrow temperature range, and are mainly covalently bonded using condensation reactions and broken down by hydrolytic reactions.

  • Carbohydrates are organic compounds composed of carbon, hydrogen, and oxygen in a 1:2:1 ratio and are the primary energy source for cells, with cellulose and chitin serving as structural components.

  • Sugars and starches are disaccharides, which consist of two sugar units linked together by glycosidic bonds, and are the primary energy sources for cells. Monosaccharides can be joined together to form complex polysaccharides, such as glycogen and starch.

  • Proteins are long chains of amino acids that are essential for the structure and function of cells and tissues.

  • Nucleic acids, including DNA and RNA, are responsible for the transmission of genetic information from one generation to the next and are composed of nucleotides.

  • Organic compounds are studied in the field of organic chemistry and are important for understanding the structures and functions of living organisms.

  • Inorganic compounds, which do not contain carbon bonded to another carbon or hydrogen, are not considered organic and include carbon dioxide, inorganic acids, bases, and salts.

  • Carbohydrates are essential for providing energy for cells and serve as structural components in the form of cellulose and chitin. They come in various forms, including monosaccharides, disaccharides, and polysaccharides, and the most common disaccharides are maltose, lactose, and sucrose.

  • Polysaccharides are large organic molecules made up of thousands of monosaccharide rings joined by glycosidic linkages. They can be long, single chains or branched chains, and they include starches, glycogen, cellulose, and chitin.

  • Homopolysaccharides, which are polymers composed of a single sugar monomer, are common and include glucans, which are polysaccharides of D-glucose sugars. Heteropolysaccharides, which are polymers composed of multiple monosaccharides, are also common and include hyaluronic acid, which maintains the elastoviscosity of liquid connective tissues.

  • The text also discusses the importance of carbohydrates in various contexts, including their role as energy sources for cells, the significance of lactose intolerance, and the importance of studying organic compounds in the field of organic chemistry.

  • Macromolecules are large organic molecules, including proteins, water, and DNA, which perform various functions in the chemical level of the biosphere.

  • Organic compounds are primarily carbon compounds that make up the structures of cells and tissues, participate and regulate metabolic reactions, transmit information, and provide energy for life.

  • Biological macromolecules are large (thousands of atoms) and composed of monomers that are linked together to form functional units such as polysaccharides, proteins, and nucleic acids.

  • Monosaccharides are the simplest carbohydrates, which contain three to seven carbon atoms and are the building blocks of more complex carbohydrates. Glucose is the most abundant monosaccharide and is a sugar used as an energy source in most organisms.

  • Organic compounds exist in an aqueous environment, undergo chemical reactions within a narrow temperature range, and are mainly covalently bonded using condensation reactions and broken down by hydrolytic reactions.

  • Carbohydrates are organic compounds composed of carbon, hydrogen, and oxygen in a 1:2:1 ratio and are the primary energy source for cells, with cellulose and chitin serving as structural components.

  • Sugars and starches are disaccharides, which consist of two sugar units linked together by glycosidic bonds, and are the primary energy sources for cells. Monosaccharides can be joined together to form complex polysaccharides, such as glycogen and starch.

  • Proteins are long chains of amino acids that are essential for the structure and function of cells and tissues.

  • Nucleic acids, including DNA and RNA, are responsible for the transmission of genetic information from one generation to the next and are composed of nucleotides.

  • Organic compounds are studied in the field of organic chemistry and are important for understanding the structures and functions of living organisms.

  • Inorganic compounds, which do not contain carbon bonded to another carbon or hydrogen, are not considered organic and include carbon dioxide, inorganic acids, bases, and salts.

  • Carbohydrates are essential for providing energy for cells and serve as structural components in the form of cellulose and chitin. They come in various forms, including monosaccharides, disaccharides, and polysaccharides, and the most common disaccharides are maltose, lactose, and sucrose.

  • Polysaccharides are large organic molecules made up of thousands of monosaccharide rings joined by glycosidic linkages. They can be long, single chains or branched chains, and they include starches, glycogen, cellulose, and chitin.

  • Homopolysaccharides, which are polymers composed of a single sugar monomer, are common and include glucans, which are polysaccharides of D-glucose sugars. Heteropolysaccharides, which are polymers composed of multiple monosaccharides, are also common and include hyaluronic acid, which maintains the elastoviscosity of liquid connective tissues.

  • The text also discusses the importance of carbohydrates in various contexts, including their role as energy sources for cells, the significance of lactose intolerance, and the importance of studying organic compounds in the field of organic chemistry.

  • Macromolecules are large organic molecules, including proteins, water, and DNA, which perform various functions in the chemical level of the biosphere.

  • Organic compounds are primarily carbon compounds that make up the structures of cells and tissues, participate and regulate metabolic reactions, transmit information, and provide energy for life.

  • Biological macromolecules are large (thousands of atoms) and composed of monomers that are linked together to form functional units such as polysaccharides, proteins, and nucleic acids.

  • Monosaccharides are the simplest carbohydrates, which contain three to seven carbon atoms and are the building blocks of more complex carbohydrates. Glucose is the most abundant monosaccharide and is a sugar used as an energy source in most organisms.

  • Organic compounds exist in an aqueous environment, undergo chemical reactions within a narrow temperature range, and are mainly covalently bonded using condensation reactions and broken down by hydrolytic reactions.

  • Carbohydrates are organic compounds composed of carbon, hydrogen, and oxygen in a 1:2:1 ratio and are the primary energy source for cells, with cellulose and chitin serving as structural components.

  • Sugars and starches are disaccharides, which consist of two sugar units linked together by glycosidic bonds, and are the primary energy sources for cells. Monosaccharides can be joined together to form complex polysaccharides, such as glycogen and starch.

  • Proteins are long chains of amino acids that are essential for the structure and function of cells and tissues.

  • Nucleic acids, including DNA and RNA, are responsible for the transmission of genetic information from one generation to the next and are composed of nucleotides.

  • Organic compounds are studied in the field of organic chemistry and are important for understanding the structures and functions of living organisms.

  • Inorganic compounds, which do not contain carbon bonded to another carbon or hydrogen, are not considered organic and include carbon dioxide, inorganic acids, bases, and salts.

  • Carbohydrates are essential for providing energy for cells and serve as structural components in the form of cellulose and chitin. They come in various forms, including monosaccharides, disaccharides, and polysaccharides, and the most common disaccharides are maltose, lactose, and sucrose.

  • Polysaccharides are large organic molecules made up of thousands of monosaccharide rings joined by glycosidic linkages. They can be long, single chains or branched chains, and they include starches, glycogen, cellulose, and chitin.

  • Homopolysaccharides, which are polymers composed of a single sugar monomer, are common and include glucans, which are polysaccharides of D-glucose sugars. Heteropolysaccharides, which are polymers composed of multiple monosaccharides, are also common and include hyaluronic acid, which maintains the elastoviscosity of liquid connective tissues.

  • The text also discusses the importance of carbohydrates in various contexts, including their role as energy sources for cells, the significance of lactose intolerance, and the importance of studying organic compounds in the field of organic chemistry.

Learn about biomolecules, specifically focusing on the carbohydrates class, in this course at the Royal College of Surgeons in Ireland - Medical University of Bahrain. The course covers the fundamental principles of human biology and the main classes of organic compounds.

Make Your Own Quizzes and Flashcards

Convert your notes into interactive study material.

Get started for free

More Quizzes Like This

Use Quizgecko on...
Browser
Browser