Podcast
Questions and Answers
What is the primary reason why water molecules at the surface crowd together, producing a strong layer?
What is the primary reason why water molecules at the surface crowd together, producing a strong layer?
- Due to the formation of hydrogen bonds with air molecules
- Due to the attraction of air molecules to water molecules
- As a result of the strong attraction of water molecules to each other (correct)
- Because of the low specific heat of water
What is the term used to describe the total amount of kinetic energy in a sample of a substance?
What is the term used to describe the total amount of kinetic energy in a sample of a substance?
- Specific heat
- Heat (correct)
- Kinetic energy
- Temperature
What is the primary reason why a large body of water can act as a heat sink?
What is the primary reason why a large body of water can act as a heat sink?
- Because of the low temperature of water
- Due to the high specific heat of water (correct)
- As a result of the formation of hydrogen bonds among water molecules
- Due to the high heat capacity of water molecules
What happens to the hydrogen bonds among water molecules when liquid water changes to ice?
What happens to the hydrogen bonds among water molecules when liquid water changes to ice?
What is the result of the energy added to the system being used to break hydrogen bonds among water molecules?
What is the result of the energy added to the system being used to break hydrogen bonds among water molecules?
What is the term used to describe the amount of heat that must be absorbed or lost for one gram of a substance to change its temperature by one degree Celsius?
What is the term used to describe the amount of heat that must be absorbed or lost for one gram of a substance to change its temperature by one degree Celsius?
What type of bonds hold alpha-helices and beta-pleated sheets together in the secondary structure of a protein?
What type of bonds hold alpha-helices and beta-pleated sheets together in the secondary structure of a protein?
What determines the amino acid sequence of a protein?
What determines the amino acid sequence of a protein?
What type of interactions occur between polar R groups in the tertiary structure of a protein?
What type of interactions occur between polar R groups in the tertiary structure of a protein?
What is the term for the three-dimensional folding of one polypeptide chain?
What is the term for the three-dimensional folding of one polypeptide chain?
What type of bonds are formed between R groups containing sulfur in the tertiary structure of a protein?
What type of bonds are formed between R groups containing sulfur in the tertiary structure of a protein?
What is the term for the structure formed by the association of multiple polypeptide chains?
What is the term for the structure formed by the association of multiple polypeptide chains?
What is the result of the reaction between a glucose monomer and a fructose monomer?
What is the result of the reaction between a glucose monomer and a fructose monomer?
What is the general formula for a hexose?
What is the general formula for a hexose?
What is the function of the energy stored in the chemical bonds of monosaccharides?
What is the function of the energy stored in the chemical bonds of monosaccharides?
What is the term for the process of breaking down a polysaccharide into its constituent monosaccharides?
What is the term for the process of breaking down a polysaccharide into its constituent monosaccharides?
What is the term for a monosaccharide with a carbonyl group at the terminal carbon atom?
What is the term for a monosaccharide with a carbonyl group at the terminal carbon atom?
What is the function of the OH group attached to each carbon atom in a monosaccharide?
What is the function of the OH group attached to each carbon atom in a monosaccharide?
What is the primary function of DNA in the cell?
What is the primary function of DNA in the cell?
What is the role of RNA in the synthesis of proteins coded for by DNA?
What is the role of RNA in the synthesis of proteins coded for by DNA?
What is the central dogma of molecular biology?
What is the central dogma of molecular biology?
What is the purpose of the insulin gene?
What is the purpose of the insulin gene?
What is the role of messenger RNA (mRNA) in the cell?
What is the role of messenger RNA (mRNA) in the cell?
What is required to make the protein hemoglobin?
What is required to make the protein hemoglobin?
What is the primary function of ATP in a cell?
What is the primary function of ATP in a cell?
What is the specific sequence of nucleotides that determines the genetic code?
What is the specific sequence of nucleotides that determines the genetic code?
What is the difference between DNA and RNA?
What is the difference between DNA and RNA?
What is the function of phosphodiester linkages in nucleic acids?
What is the function of phosphodiester linkages in nucleic acids?
What is the term for the 'building blocks' of nucleic acids?
What is the term for the 'building blocks' of nucleic acids?
What is the role of the nitrogenous base in a nucleotide?
What is the role of the nitrogenous base in a nucleotide?
Flashcards are hidden until you start studying
