Podcast
Questions and Answers
What is a characteristic of proteins?
What is a characteristic of proteins?
- High molecular masses expressed in kDa (correct)
- Low molecular masses expressed in kDa
- Low molecular masses expressed in grams
- High molecular masses expressed in grams
What is the general term for carbohydrates that are covalently bonded to other biomolecules?
What is the general term for carbohydrates that are covalently bonded to other biomolecules?
- Bioconjugates (correct)
- Polysaccharides
- Glycoproteins
- Glycolipids
What is the general term for lipids that show a dual nature with hydrophilic and lipophilic parts?
What is the general term for lipids that show a dual nature with hydrophilic and lipophilic parts?
- Monoglycerides
- Amphiphilic lipids (correct)
- Hydrophilic lipids
- Lipophilic lipids
What is the building block of nucleic acids?
What is the building block of nucleic acids?
What is the term for lipids that are derived from phosphoric acids and esterified with fatty acids?
What is the term for lipids that are derived from phosphoric acids and esterified with fatty acids?
What is the term used to describe the building blocks of larger molecules called polymers?
What is the term used to describe the building blocks of larger molecules called polymers?
Which of the following is an example of a polymer?
Which of the following is an example of a polymer?
What is the term used to describe the study of the qualitative and quantitative analysis of biological activity and detection of biological molecules?
What is the term used to describe the study of the qualitative and quantitative analysis of biological activity and detection of biological molecules?
Which of the following biomolecules includes lipids and derivatives?
Which of the following biomolecules includes lipids and derivatives?
What is the term used to describe the nitrogen-containing ring structure found in nucleotides?
What is the term used to describe the nitrogen-containing ring structure found in nucleotides?
What is the primary function of insoluble carbohydrate polymers in cell walls?
What is the primary function of insoluble carbohydrate polymers in cell walls?
What is the main difference between RNA and DNA in terms of stability?
What is the main difference between RNA and DNA in terms of stability?
What type of molecules are formed when carbohydrate polymers are covalently attached to proteins or lipids?
What type of molecules are formed when carbohydrate polymers are covalently attached to proteins or lipids?
What comprises the lipophilic fraction of a biological sample?
What comprises the lipophilic fraction of a biological sample?
What is the purpose of carbohydrate polymers in lubricating skeletal joints?
What is the purpose of carbohydrate polymers in lubricating skeletal joints?
What is the process by which polysaccharides, nucleic acids, and proteins are formed?
What is the process by which polysaccharides, nucleic acids, and proteins are formed?
What is the molecular weight of the monomers that make up macromolecules?
What is the molecular weight of the monomers that make up macromolecules?
What type of bond links amino acids together in proteins?
What type of bond links amino acids together in proteins?
What is the term for the complex formed by the assembly of macromolecules?
What is the term for the complex formed by the assembly of macromolecules?
What is the term for the end of a polypeptide chain?
What is the term for the end of a polypeptide chain?
What is the primary purpose of quenching metabolism in metabolomics?
What is the primary purpose of quenching metabolism in metabolomics?
Approximately what percentage of total dry mass in cells are proteins?
Approximately what percentage of total dry mass in cells are proteins?
What is the estimated number of different proteins in the human body?
What is the estimated number of different proteins in the human body?
What is the process that converts CO2 and H2O into cellulose and other plant products?
What is the process that converts CO2 and H2O into cellulose and other plant products?
What is the term that describes the study of small molecules or metabolites within a biological sample?
What is the term that describes the study of small molecules or metabolites within a biological sample?
What is the primary source of carbohydrates in nature?
What is the primary source of carbohydrates in nature?
What is the ratio of proteins to other macromolecules in cells?
What is the ratio of proteins to other macromolecules in cells?
What is the term that describes the extraction of metabolites from a biological sample?
What is the term that describes the extraction of metabolites from a biological sample?
What is the importance of stopping or slowing down metabolism in highly metabolically active systems?
What is the importance of stopping or slowing down metabolism in highly metabolically active systems?
What percentage of the hemoglobin molecule's mass is made up of iron ions?
What percentage of the hemoglobin molecule's mass is made up of iron ions?
What are the building blocks of DNA?
What are the building blocks of DNA?
What is the typical molecular weight range of small biomolecules in cells?
What is the typical molecular weight range of small biomolecules in cells?
Which of the following biomolecules are often polyfunctional, containing two or more different kinds of functional groups?
Which of the following biomolecules are often polyfunctional, containing two or more different kinds of functional groups?
What is the term for large biomolecules composed of simpler subunits?
What is the term for large biomolecules composed of simpler subunits?
What is the name of the biomolecule that is a carrier of acetyl groups in some enzymatic reactions?
What is the name of the biomolecule that is a carrier of acetyl groups in some enzymatic reactions?
What are the four major classes of biomolecules that are important for all living things?
What are the four major classes of biomolecules that are important for all living things?
What is the concentration range of small biomolecules in cells?
What is the concentration range of small biomolecules in cells?
What is the characteristic of biomolecules in the aqueous phase of cells?
What is the characteristic of biomolecules in the aqueous phase of cells?
What is the result of replacing hydrogen atoms with functional groups in hydrocarbons?
What is the result of replacing hydrogen atoms with functional groups in hydrocarbons?
What is the main cause of denaturation of proteins?
What is the main cause of denaturation of proteins?
What is the term for the structure that conserves a native-like secondary structure content but without the tightly packed protein interior?
What is the term for the structure that conserves a native-like secondary structure content but without the tightly packed protein interior?
What is the reason why proline creates a bend in an α-helix?
What is the reason why proline creates a bend in an α-helix?
What is the type of protein structure that describes the completely folded and compacted polypeptide chain?
What is the type of protein structure that describes the completely folded and compacted polypeptide chain?
What is the function of molecular chaperones?
What is the function of molecular chaperones?
What is the type of protein that contains polypeptide chains organized approximately parallel along a single axis?
What is the type of protein that contains polypeptide chains organized approximately parallel along a single axis?
What is the result of heat-induced denaturation of proteins?
What is the result of heat-induced denaturation of proteins?
What is the term for the association of polypeptide chains?
What is the term for the association of polypeptide chains?
What is the driving force behind the hydrophobic effect?
What is the driving force behind the hydrophobic effect?
What is the location of hydrophobic residues in globular proteins?
What is the location of hydrophobic residues in globular proteins?
What is the role of 2,3-BPG in hemoglobin?
What is the role of 2,3-BPG in hemoglobin?
What is the role of chaperones in protein folding?
What is the role of chaperones in protein folding?
What is the difference between myoglobin and hemoglobin?
What is the difference between myoglobin and hemoglobin?
What is the consequence of protein misfolding?
What is the consequence of protein misfolding?
What is the purpose of hydrogen bonding in the β-pleated sheet?
What is the purpose of hydrogen bonding in the β-pleated sheet?
What is the term for the change in direction of a polypeptide chain?
What is the term for the change in direction of a polypeptide chain?
What is the effect of pH changes on proteins?
What is the effect of pH changes on proteins?
What is the characteristic of globular proteins?
What is the characteristic of globular proteins?
What is the function of cryo-electron microscopy?
What is the function of cryo-electron microscopy?
What is the term for the non-covalent interactions that stabilize the tertiary structure of a protein?
What is the term for the non-covalent interactions that stabilize the tertiary structure of a protein?
What is the 1° structure of a protein?
What is the 1° structure of a protein?
What type of bond is responsible for the formation of α-helices in proteins?
What type of bond is responsible for the formation of α-helices in proteins?
What is the characteristic of the R groups of amino acids in an α-helix?
What is the characteristic of the R groups of amino acids in an α-helix?
What is the distance between each turn of the α-helix?
What is the distance between each turn of the α-helix?
What is the number of amino acids per turn in an α-helix?
What is the number of amino acids per turn in an α-helix?
What type of structure is formed by a regular pattern of hydrogen bonds between the amide N-H and C=O groups of amino acids?
What type of structure is formed by a regular pattern of hydrogen bonds between the amide N-H and C=O groups of amino acids?
Which bonds have free rotation in a protein?
Which bonds have free rotation in a protein?
What is the direction of the hydrogen bonds in an α-helix?
What is the direction of the hydrogen bonds in an α-helix?
What is the role of hydrogen bonds in the formation of an α-helix?
What is the role of hydrogen bonds in the formation of an α-helix?
What is the sequence of amino acids in a polypeptide chain read from?
What is the sequence of amino acids in a polypeptide chain read from?