Exam 5: Proteins
Explain why a biochemist would object to the use of the term "oxidation of amino acids."
A biochemist would object to the use of the term "oxidation of amino acids" because it oversimplifies the complex biochemical processes involved. While it is true that amino acids can undergo oxidation reactions, this term does not accurately capture the diverse and intricate ways in which amino acids are metabolized in living organisms.
Amino acids can be broken down through various pathways such as transamination, deamination, and decarboxylation, which involve more than just simple oxidation reactions. Additionally, the term "oxidation" may imply a purely destructive process, when in reality, the metabolism of amino acids serves important functions in the body, such as energy production, protein synthesis, and the synthesis of important molecules like neurotransmitters and hormones.
By using the term "oxidation of amino acids," important nuances and complexities of amino acid metabolism are overlooked. A more accurate and comprehensive description of these processes would involve a broader understanding of the various metabolic pathways and biochemical transformations that amino acids undergo within living organisms.
Which athlete would likely use protein as an energy source during competition?
A
The secondary (2nd level) structure of the protein determines its ____.
The _____ system is highly dependent on protein because of rapid cell turnover.
a. Dispensible amino acid
b. Indispensible amino acid
c. Complete protein
d. Incomplete protein
e. Complementary protein
f. Branched chain amino acid
-Phenylalanine
Which amino acid is found in the greatest concentration in the amino acid pool?
Match the food with its nutrient content. Use each answer only once.
a.Contains 100% protein
b.Contains protein and fat but no carbohydrate
c.Contains protein and carbohydrate but no fat
d.Contains protein, carbohydrate, and fat
-Egg whites
Consumption of both carbohydrates and proteins are recommended after exercise to provide the body the energy and nutrients needed for proper recovery.
Match the food with its nutrient content. Use each answer only once.
a.Contains 100% protein
b.Contains protein and fat but no carbohydrate
c.Contains protein and carbohydrate but no fat
d.Contains protein, carbohydrate, and fat
-Peanut butter
The majority of athletes consume a sufficient amount of protein.
a. Dispensible amino acid
b. Indispensible amino acid
c. Complete protein
d. Incomplete protein
e. Complementary protein
f. Branched chain amino acid
-Valine
Which of the following statements is true regarding amino acid supplementation?
On a gram for gram basis, protein has approximately the same amount of energy as ____.
The goal of combining complementary proteins is to provide the body with all of the __________ amino acids needed for growth and maintenance of tissues.
Match the food with its nutrient content. Use each answer only once.
a.Contains 100% protein
b.Contains protein and fat but no carbohydrate
c.Contains protein and carbohydrate but no fat
d.Contains protein, carbohydrate, and fat
-Dark meat turkey
What is the purported mechanism for glucosamine supplementation?
What effect does insufficient energy (kcal) intake have on protein need?
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