Properties of Water
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Properties of Water

This quiz covers the unique properties of water, including surface tension and specific heat, and how they are affected by molecular interactions.

Created by
@LawAbidingQuantum

Questions and Answers

What is the primary reason why water molecules at the surface crowd together, producing a strong layer?

As a result of the strong attraction of water molecules to each other

What is the term used to describe the total amount of kinetic energy in a sample of a substance?

Heat

What is the primary reason why a large body of water can act as a heat sink?

Due to the high specific heat of water

What happens to the hydrogen bonds among water molecules when liquid water changes to ice?

<p>They are formed</p> Signup and view all the answers

What is the result of the energy added to the system being used to break hydrogen bonds among water molecules?

<p>Only a portion of the heat energy is available to speed the movement of the water molecules</p> Signup and view all the answers

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?

<p>Specific heat</p> Signup and view all the answers

What type of bonds hold alpha-helices and beta-pleated sheets together in the secondary structure of a protein?

<p>Hydrogen bonds</p> Signup and view all the answers

What determines the amino acid sequence of a protein?

<p>DNA sequence of a gene</p> Signup and view all the answers

What type of interactions occur between polar R groups in the tertiary structure of a protein?

<p>Hydrophilic interactions</p> Signup and view all the answers

What is the term for the three-dimensional folding of one polypeptide chain?

<p>Tertiary structure</p> Signup and view all the answers

What type of bonds are formed between R groups containing sulfur in the tertiary structure of a protein?

<p>Disulfide bonds</p> Signup and view all the answers

What is the term for the structure formed by the association of multiple polypeptide chains?

<p>Quaternary structure</p> Signup and view all the answers

What is the result of the reaction between a glucose monomer and a fructose monomer?

<p>Formation of a glycosidic bond</p> Signup and view all the answers

What is the general formula for a hexose?

<p>C6H12O6</p> Signup and view all the answers

What is the function of the energy stored in the chemical bonds of monosaccharides?

<p>To be used in cellular respiration</p> Signup and view all the answers

What is the term for the process of breaking down a polysaccharide into its constituent monosaccharides?

<p>Hydrolysis reaction</p> Signup and view all the answers

What is the term for a monosaccharide with a carbonyl group at the terminal carbon atom?

<p>Aldose</p> Signup and view all the answers

What is the function of the OH group attached to each carbon atom in a monosaccharide?

<p>Hydrophilic</p> Signup and view all the answers

What is the primary function of DNA in the cell?

<p>To store the genetic information that programs all cell activity</p> Signup and view all the answers

What is the role of RNA in the synthesis of proteins coded for by DNA?

<p>To carry the encoded genetic message from the nucleus to the cytoplasm</p> Signup and view all the answers

What is the central dogma of molecular biology?

<p>The flow of genetic information from DNA to RNA to proteins</p> Signup and view all the answers

What is the purpose of the insulin gene?

<p>To contain the information the cell needs to synthesize insulin protein</p> Signup and view all the answers

What is the role of messenger RNA (mRNA) in the cell?

<p>To carry the encoded genetic message from the nucleus to the cytoplasm</p> Signup and view all the answers

What is required to make the protein hemoglobin?

<p>Two genes, alpha globin and beta globin</p> Signup and view all the answers

What is the primary function of ATP in a cell?

<p>To release energy for energy-requiring reactions</p> Signup and view all the answers

What is the specific sequence of nucleotides that determines the genetic code?

<p>The sequence of nitrogenous bases</p> Signup and view all the answers

What is the difference between DNA and RNA?

<p>DNA has thymine, while RNA has uracil</p> Signup and view all the answers

What is the function of phosphodiester linkages in nucleic acids?

<p>To join nucleotides together</p> Signup and view all the answers

What is the term for the 'building blocks' of nucleic acids?

<p>Nucleotides</p> Signup and view all the answers

What is the role of the nitrogenous base in a nucleotide?

<p>To determine the genetic code</p> Signup and view all the answers

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