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- Multiple ChoicePlease save your changes before editing any questions.
Primary structure refers to _______
helix
pleated sheet
subunits
aminoacid sequence
- Multiple ChoicePlease save your changes before editing any questions.
Hydrogen bonds are found only in the secondary structure
True
False
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Quaternary structure is present only in a protein with many polypeptides
True
False
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The "Glyco" or sugars in glycoproteins are attached at the _____ level structure of proteins
primary
secondary
quaternary
tertiary
- Multiple ChoicePlease save your changes before editing any questions.
The prosthetic group in viruses is _________
sugars
phosphate
nucleic acid
lipid
- Multiple ChoicePlease save your changes before editing any questions.
Tertiary and quaternary structures are stabilised by the same bonds
True
False
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During protein denaturation, all 4 levels of structure are lost
True
False
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During hydrolysis a protein is broken into smaller fragments
True
False
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When proteins are exposed to pH alterations, ____ bonds break
covalent
ionic
hydrophobic
strong
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Animal proteins do not provide ALL essential aminoacids. So, they are considered incomplete proteins
True
False
- Multiple ChoicePlease save your changes before editing any questions.
_________ is NOT useful in digestion of proteins
trypsin
chymotrypsin
elastase
amylase
- Multiple ChoicePlease save your changes before editing any questions.
In the acronym PVT TIM HALL, histidine and arginine are essential aminoacids only for infants
True
False
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________ is a ketogenic aminoacid
cysteine
arginine
leucine
histidine
- Multiple ChoicePlease save your changes before editing any questions.
Tertiary and quaternary structures are stabilised by the same bonds
True
False