Which of the following might result in low levels of oxaloacetate?

Focus Figure Protein Digestion Overview How do proteins in food become body proteins? First, food proteins are dismantled into individual amino acids that can be absorbed into the bloodstream. In addition to absorbing amino acids from foods, the body is also able to recycle amino acids from proteins already present in the body. Amino acids are the building blocks used to construct proteins, but they can also be converted to carbohydrates, fat, or energy depending on the needs of the body Review focus figure and  the processes involved in the digestion and absorption of proteins. Then complete the following activities. Focus Figure Protein Digestion.pdf

Lucy has been consuming more calories than she needs, which is contributing to gradual weight gain. Using the Single Nutrient Report: Calories, which food contributed most of Lucy’s calories on this day?

Listen to the MP3 Chapter Summary and then answer the questions below. Estimated time: 11 min, 32 sec.  

Acetyl CoA is the “gateway molecule” for energy metabolism because __________.

The fish that contains greater quantities of EPA and DHA, omega-3 fatty acids known to benefit health, are __________.

Which of the following are ketones?

Metabolic Response to FASTING Stored triglycerides are an important source of energy during fasting. As fasting is prolonged, the body adapts to use this form of energy in different ways. Which of the following statements correctly describes lipid metabolism during the fasting state?

After a stressful day at work, Lucy enjoys watching TV in the evenings. Even if she has already eaten dinner and feels full, Lucy typically consumes snack foods (e.g., chips, cookies, and ice cream) while she watches TV. What is driving Lucy to eat these snack foods? (See Chapter 3 in your textbook if you need to review these concepts!)

During the TCA cycle, electrons from the oxidation of pyruvate (from glycolysis) are transferred to _______ and _______ which will deliver the electrons to the electron transport chain.