Podcast
Questions and Answers
What is the primary functional property of the covalent bond between oxygen and hydrogen in acetic acid?
What is the primary functional property of the covalent bond between oxygen and hydrogen in acetic acid?
- The bond is so nonpolar that hydrogen ions (H+) tend to dissociate reversibly.
- The bond is so polar that hydrogen ions (H+) tend to dissociate reversibly. (correct)
- The bond is so polar that hydrogen ions (H+) tend to dissociate irreversibly.
- The bond is so nonpolar that hydrogen ions (H+) tend to dissociate irreversibly.
In cells, where is acetic acid found in its ionic form?
In cells, where is acetic acid found in its ionic form?
- In the cytoplasm.
- In the carboxylate group. (correct)
- In the nucleus.
- In the mitochondria.
What is the name of the class of compounds that acetic acid belongs to?
What is the name of the class of compounds that acetic acid belongs to?
- Carboxylic acids. (correct)
- Alcohols.
- Ketones.
- Alkanes.
What property of acetic acid is responsible for the sour taste of vinegar?
What property of acetic acid is responsible for the sour taste of vinegar?
What type of reaction is involved in the synthesis of a fat molecule (triacylglycerol) from glycerol and fatty acids?
What type of reaction is involved in the synthesis of a fat molecule (triacylglycerol) from glycerol and fatty acids?
How can triglycerides be formed from a mix of different fatty acids?
How can triglycerides be formed from a mix of different fatty acids?
What is the unifying feature of lipids?
What is the unifying feature of lipids?
Which of the following is NOT one of the most biologically important lipids?
Which of the following is NOT one of the most biologically important lipids?
What are the components of a triacylglyceride molecule?
What are the components of a triacylglyceride molecule?
What is the functional property of alcohol groups (-OH) in biological molecules?
What is the functional property of alcohol groups (-OH) in biological molecules?
Which of the following molecules contains a carboxylic acid group?
Which of the following molecules contains a carboxylic acid group?
Which of the following statements about the solubility of n-alkanes in water is true?
Which of the following statements about the solubility of n-alkanes in water is true?
