Milk and Dairy Products MCQ 2

Description

Quiz on Milk and Dairy Products MCQ 2, created by hannah.parfrey on 07/10/2013.
hannah.parfrey
Quiz by hannah.parfrey, updated more than 1 year ago
hannah.parfrey
Created by hannah.parfrey about 10 years ago
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Resource summary

Question 1

Question
How many free sulphydral groups are in alpha-lactalbumin?
Answer
  • 0
  • 2
  • 4
  • 5

Question 2

Question
Which is the most hydrophobic casein?
Answer
  • β
  • αs2
  • αs1
  • γ

Question 3

Question
Low levels of secondary and tertiary in caseins is due to...
Answer
  • high hydrophobicity
  • high proline content

Question 4

Question
Interactions between casein and β-lactoglobulin is due to...
Answer
  • intermolecular crossbridges
  • intramolecular sulphydral interactions
  • intermolecular sulphydral interactions

Question 5

Question
acid casein whey has... compared to normal whey
Answer
  • higher pH and lower Ca and P
  • Lower pH and lower Ca and P
  • Higher pH and higher Ca and P
  • Lower pH and higher Ca and P

Question 6

Question
NPN can be defined as ...
Answer
  • Soluble at pH 4.6 and soluble in acid casein
  • Soluble at pH 4.6 and soluble in 12% TCA

Question 7

Question
gamma casein is formed by...
Answer
  • action on rennet on beta casein
  • action of rennet on kappa casein
  • action of plasmin on beta casein
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