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AVS nutrition quizzes
Terms in this set (24)
To create a protein stand, amino acids are joined together using___________ bonds
If arginine was in short supply, what effects would this have on the urea cycle?
- ornithine regeneration for the urea cycle to continue again would be limited
- ammonia would build up creating toxicity
Which enzyme is added to create milk curds in calves?
Which of the following examples in a non- nutrient nitrogen source that adds to CP% when using the Kjeldahl method
Which of the following is true about protein quality
- the balance and amount of AAs are compared to protein like egg albumin or whey
- even if two food sources have the same CP, doesn't mean they contain the same balance in a,IMO acids
- biological value and chemical scoring are ways to measure protein quality
Which of the following are true about the Cahill cycle?
- it is a way to recycle amino acids between the liver and muscle
- muscle protein is eventually degraded through steps of glycolysis for muscle energy
Denaturation by sauces or heat, changes which type of protein structure
Tertiary or quartenary
Which of the following are NOT steps in protein degradation
- ubiquitin binds to alanine in the protein (uses ATP) (
- amino acids are released and ubiquitin is recycled back (short peptides are released and recycled back)
Which of the following statements are FALSE about protein absorption
- pepT1 involves NA+ transport (H+)
- there is one amino acid transporter for all types of amino acids (there are multiple transporters for several different amino acids)
Binding of monitor peptide to trypsin has what ultimate effect on trypsinogen secretion from the pancreas
Which of the following are correct about the excretion of N from amino acid?
- birds, snakes, lizards excrete uric acid
- the N from the amino group is used to make urea in mammals and humans
Which of the following is correct about non- protein nitrogen (NPN) in ruminant diets
- if not enough energy is available, NH3+ will build to toxic levels
- the animals needs an energy source (carbon skeleton) to be able to use NPN
What is the purpose of a lipoprotein
To package lipids so they do not create a detergent like effect when traveling in solution
Which of the following are correct shout lipid absorption?
- monoglycerides and fatty acids are repackaged into triglycerides once inside the enterocytes for transport
- some short chain fatty acids are transported passively
- chylomicrons use the lymph system for transport
Which of the following are correct?
- steric acid has a higher melting point than linoleic acid
- polyunsaturated fatty acids have a lower melting point
Which lipoprotein has the highest protein content?
Which of the following are correct regarding lipid digestion
- pancreatic lipase digests micelles into monoglycerides and free fatty acids
-bile emulsified fat into micelles
Which of the following are correct about Omega 3 and 6 metabolism
- linoleic acid is elongated and desaturated to form arachidonic acid
- linoleic acid and linolenic acid compete for the delta 6 desaturase enzyme
Oldic acid is an example of what type of lipid?
Monounsaturated fatty acid
What fatty acid is my synthesized in large abundance in feline
Which type of lipid makes up the majority of the stored lipid in adipose tissue?
Which of the following is true about essential fatty acids?
Come from the class of Omega 3 and Omega 6fatty acids
Which of the following is a good source of EPA and DHA?
- Fish and marine oils
Why might we want to supplement fish oil in a horse's diet?
Their diet is typically higher in Omega 6 than Omega 3 fatty acids
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