can you tell me the answer and explain why the anser is the answer and others ar
ID: 44192 • Letter: C
Question
can you tell me the answer and explain why the anser is the answer and others are not?
Please select the true statement:
1. Our bodies represent closed systems.
2.The energy described by: Esystem + Esurroundings is always a number greater than zero.
3. The pI of a protein is the pH at which each individual amino acid in the protein has no charge.
4. Chaperones help proteins fold correctly, often by masking hydrophobic regions or cysteines until the protein has been synthesized
5. Only c and d are true.
Explanation / Answer
d-Chaperones help proteins fold correctly, often by masking hydrophobic regions or cysteines until the protein has been synthesized
only d is true because
bodies are not closed system as they keep on exchange of energy with the environment in the form of heat.
Esystem + Esurroundings is equal to zero.
isoelectric point of a protein is the pH where the whole protein molecule has a net charge of zero and not each individual aminoacid.
on the other hand, Chaperones help proteins fold correctly.proteins can never fold into their correct 3D form without chaperons. protein folding by chaperons include formation of disulphide bonds between cystein residues
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