Why does soap remove grease from pans when we wash dishes?
A - Part of the soap molecule is polar and dissolves in water, while part is non-polar and dissolves in the lipids
B - The whole soap molecule is non-polar so it breaks apart fat blobs
C - Soap sends a chemical message to fats to break up fat blobs in the pan
D - Soap molecules react with fats to break up flat blobs
Answer: A - Part of the soap molecule is polar and dissolves in water, while part is non-polar and dissolves in the lipids
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Structure and Function of Macro-molecules
- The breakdown of protein secondary, tertiary, and quanternary structure is called _______.
- Which of the following statements correctly describes the behavior of the sickle cell hemoglobin?
- Identify the secondary structure that is NOT held together by hydrogen bonds.
- Choose the structure that represents the order of amino acids in a protein.
- A peptide bond is the linkage between
- What does N-terminus refer to?
- How is the tertiary structure of a protein different from that of a quaternary structure?
- When a protein makes its easier for a biological reaction to happen, it is acting as.
- Proteins in our skin, hair,a and and nails are.
- How many kinds of amino acids can the human body use?
- What are the monomer units in protein polymers?
- Which of the following reactions forms peptide bonds?
- Proteins are biological molecules made of.
- What atoms are connected by a peptide bond?
- Which of the following is not a function performed by proteins?
- Lawrence wants to eat a food that is high in energy before she starts training for her tennis competition. Which of the following types of food will give her the most energy per pound?
- Which of the following roles do lipids NOT play in our bodies?
- All of the following statements are true about lipids, EXCEPT that ________.
- What is the functional group that is formed when glycerol reacts with carboxylic acids to form triglycerides?
- All of the following statements are true, EXCEPT ___________.
- A two unit molecule is a.
- What type of a reaction causes the formation of sugar molecules larger than monosaccharides?
- Carlos just finished an exhausting workout. Which of the following carbohydrates can be readily used by his body as a source of fuel?
- Which set of functional groups is always found in sugars?