Podcast
Questions and Answers
Which type of fat has been altered by the addition of hydrogen atoms?
Which type of fat has been altered by the addition of hydrogen atoms?
- Polyunsaturated fats
- Phospholipids
- Eicosanoids
- Trans fats (correct)
What is the main difference between hydrophilic and hydrophobic molecules?
What is the main difference between hydrophilic and hydrophobic molecules?
- Hydrophilic molecules have non-polar ends that are repelled by water, while hydrophobic molecules have polar ends that are attracted to water.
- Hydrophilic molecules are larger in size than hydrophobic molecules.
- Hydrophilic molecules are made of carbon and hydrogen, while hydrophobic molecules contain phosphorus.
- Hydrophilic molecules have polar ends that are attracted to water, while hydrophobic molecules have non-polar ends that are repelled by water. (correct)
Which of the following is NOT a characteristic of proteins?
Which of the following is NOT a characteristic of proteins?
- Serve as structural components
- Regulate chemical reactions
- Cause muscle contraction
- Are made up of only carbon, hydrogen, oxygen, and nitrogen atoms (correct)
Which of the following is an important regulatory molecule derived from fatty acids?
Which of the following is an important regulatory molecule derived from fatty acids?
What is the role of cholesterol in the body?
What is the role of cholesterol in the body?
What is the process called when ions separate in an ionic compound dissolved in polar water?
What is the process called when ions separate in an ionic compound dissolved in polar water?
What is the effect of denaturation on the shape of proteins?
What is the effect of denaturation on the shape of proteins?
Which of the following is NOT a classification of chemical reactions?
Which of the following is NOT a classification of chemical reactions?
What is the term used for the substances that result from a chemical reaction?
What is the term used for the substances that result from a chemical reaction?
Which type of energy is stored in chemical bonds?
Which type of energy is stored in chemical bonds?
What is the term used for synthesis reactions that occur in the body?
What is the term used for synthesis reactions that occur in the body?
What is the term used for a substance that increases the rate of a chemical reaction without being permanently changed or depleted?
What is the term used for a substance that increases the rate of a chemical reaction without being permanently changed or depleted?
What is the normal pH range of blood?
What is the normal pH range of blood?
Which type of fatty acid has one or more double covalent bonds?
Which type of fatty acid has one or more double covalent bonds?
What molecule is the by-product of the breakdown of food molecules?
What molecule is the by-product of the breakdown of food molecules?
What type of carbohydrates are the smallest and considered simple sugars?
What type of carbohydrates are the smallest and considered simple sugars?
In which situation does blood pH drop below 7.35?
In which situation does blood pH drop below 7.35?
Which type of molecules do not contain carbon?
Which type of molecules do not contain carbon?
What is the difference between mass and weight?
What is the difference between mass and weight?
Which of the following best describes the structure of an atom?
Which of the following best describes the structure of an atom?
What is the difference between an ionic bond and a covalent bond?
What is the difference between an ionic bond and a covalent bond?
What is the difference between a polar covalent bond and a nonpolar covalent bond?
What is the difference between a polar covalent bond and a nonpolar covalent bond?
What is the difference between a molecule and a compound?
What is the difference between a molecule and a compound?
What is the role of hydrogen bonds in biological systems?
What is the role of hydrogen bonds in biological systems?
