Podcast
Questions and Answers
Which pigment is responsible for the yellowish-green color of chlorophyll b?
Which pigment is responsible for the yellowish-green color of chlorophyll b?
- Chlorophyll b (correct)
- Chlorophyll a
- Flavonoids
- Carotenoids
What causes green discoloration of myoglobin due to the presence of hydrogen peroxide?
What causes green discoloration of myoglobin due to the presence of hydrogen peroxide?
- Formation of choleglobin (correct)
- Degradation of chlorophyll
- Increase of oxymyoglobin
- Conversion to metmyoglobin
Which of the following is NOT an example of a carotenoid?
Which of the following is NOT an example of a carotenoid?
- Lycopene
- Capsaicin (correct)
- B-carotene
- Lutein
What is the primary color associated with lycopene?
What is the primary color associated with lycopene?
Which pigment is not commonly derived from yellow or orange fruits and vegetables?
Which pigment is not commonly derived from yellow or orange fruits and vegetables?
What is the primary role of myoglobin in tissues?
What is the primary role of myoglobin in tissues?
What component of myoglobin is responsible for its color and light absorption?
What component of myoglobin is responsible for its color and light absorption?
Which form of heme iron is considered oxidized?
Which form of heme iron is considered oxidized?
What happens to the iron atom in myoglobin when it is oxidized?
What happens to the iron atom in myoglobin when it is oxidized?
Which of the following statements is true regarding the color of meat containing primarily myoglobin?
Which of the following statements is true regarding the color of meat containing primarily myoglobin?
Which reaction leads to the formation of oxymyoglobin?
Which reaction leads to the formation of oxymyoglobin?
What is the color change of meat when molecular oxygen binds to myoglobin?
What is the color change of meat when molecular oxygen binds to myoglobin?
What kind of pigments contribute to the green pigmentation noted in cured meats?
What kind of pigments contribute to the green pigmentation noted in cured meats?
What is the primary role of heme compounds in meat?
What is the primary role of heme compounds in meat?
Which coordination sites of the iron atom in heme are occupied by nitrogen atoms?
Which coordination sites of the iron atom in heme are occupied by nitrogen atoms?
Which of the following best describes myoglobin?
Which of the following best describes myoglobin?
How does hemoglobin facilitate oxygen transport in the body?
How does hemoglobin facilitate oxygen transport in the body?
What component of myoglobin allows it to accept oxygen?
What component of myoglobin allows it to accept oxygen?
What is the molecular mass of myoglobin?
What is the molecular mass of myoglobin?
Which statement about hemoglobin is inaccurate?
Which statement about hemoglobin is inaccurate?
What structural feature is essential for the binding of ligands to heme?
What structural feature is essential for the binding of ligands to heme?
