HNF 150 EXAM QUESTIONS AND CORRECT ANSWERS
What are the 3 greenhouse gases associated with agriculture? - Answer- CO2, N2O (Nitrous oxide), CH4(Methane)
3 primary characteristics of sustainability - Answer- economy
society
environment
General structure of proteins and the three components...
What are the 3 greenhouse gases associated with agriculture? - Answer- CO2, N2O
(Nitrous oxide), CH4(Methane)
3 primary characteristics of sustainability - Answer- economy
society
environment
General structure of proteins and the three components of amino acids? - Answer-
Protein contains carbon, hydrogen, oxygen and nitrogen
Amino acid structure contains: amino group, acid group and side group varies
How many essential amino acids exist and why are adequate amounts of all the
essential amino acids are required for protein synthesis? - Answer- 9 amino acids are
essential.
Describe protein digestion and absorption from the mouth to the colon. - Answer-
Describe the purpose and how to conduct a nitrogen balance study. - Answer- Nitrogen
balance studies give us our protein recommendations. To do one you'd compare
nitrogen intake and nitrogen excreted.
Why does poverty, hunger and food insecurity exist in the U.S? - Answer- 75% of food
insecure households with children are working. People have to choose between food
and paying rent, heat, child care, medical bills etc. Minimum wage has been decreasing
and the cost of living has increased.
What is the classic vitamin deficiency disease for thiamin? - Answer- Beri beri
Thiamin (b1 vitamin)
Functions - Answer- • Helps generate energy from carbs and branched chain amino
acids and fats
• Synthesis of DNA/RNA
• Functioning on nervous system defects
• Skin suffers from problems
Riboflavin (b2)
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