NTR 108: Exam 2 (UB) Actual Test Questions with Detailed Verified Answers / Already Graded A.

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NTR 108: EXAM 2 (UB) QUESTIONS AND
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ANSWERS
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Foods that contain protein - correct answer-
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Dairy (Egg, milk) Typicallew ew ew




y animal products Vegan
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diet:
Beans
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Soy-
based products Grains ( ew ew ew




Rice)




Structure of proteins - correct answer- ew ew ew ew ew




Long chain of amino acids that contain an amine group (N
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itrogen group), carbon skeleton and acid group
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How many amino acids are there? (Essential? Non-Essential?)
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- correct answer-
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ew 20 in total Essential- 9
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Non-essential- 11 ew

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What differentiates one protein from another that each protein
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has its own of? - correct answer- R-group
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What does the R-group signify? - correct answer- Each R-
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group determines the function of the protein
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Peptide Bond - correct answer- ew ew ew ew




ew Bond that links 2 amino acids Broken during digestion
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Dipeptide - correct answer- two amino acids ew ew ew ew ew ew




Polypeptide - correct answer- ew ew ew




Many amino acids (most our food contains this)
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What determines the structure and function of polypeptide? -
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correct answer- Specific amino acid sequence
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What is an example of a specific amino acid sequence? -
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correct answer- Insulin- made from 51 amino acids
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What does the body need to make the proteins' sequence and
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from where? - correct answer-
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The body needs a blueprint for the protein which comes from
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our DNA that is transported by mRNA from the nucleus.
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Structural Description of Proteins - correct answer-
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Proteins are complex in that they have a # of amino acids tha
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t may bend and twist with another amino acid
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Is protein an essential nutrient? - correct answer-
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Yes, protein is an essential nutrient.
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Where does the body get the Nitrogen to make non-
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essential amino acids? - correct answer- ew ew ew ew ew



Takes the Nitrogen from essential amino acids and makes N
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EAA, which can be used as energy.
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NEAA - correct answer- ew ew ew




Made from EAA and can also be used as energy.
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Functions of Proteins (Structurally) - correct answer-
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Structurally it helps in the making of hair, skin, especially mus
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cle




Function of Protein (Growth)*** - correct answer-
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Growth*** anyone who is going through a growing phase (infa
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nt, teenager going through puberty, pregnancy) will need a lot
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of proteinew




Function of Protein (Tissue) - correct answer-
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Maintenance and repair of body tissues (a cut has to heal and
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healing requires a protein called fibrin that clots the area)
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Function of Protein (Energy) - correct answer- 4kcals/g
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Minor role*** because that is the main role of carbs and fats (1
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0% proteins, 90% fats/carbs)
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Function of Proteins (Hormones) - correct answer-
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Regulation of fluid balance (edema)-
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protein brings back the fluid into the blood
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Helps with blood clotting (fibrin) Transpo
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rts protein, like lipoproteins***
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^ If we didn't have this protein we wouldn't be able to move fat
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around the body
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