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1- All of the following are types of modifications that can result in an active, functional...

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Biology

1- All of the following are types of modifications thatcan result in an active, functional protein EXCEPT:

a. Covalent disulfide bonds between cysteine amino acids

b. Cleavage of proteins

c. Glycosylation

d. Addition of lipids to the N- or C-terminus

e. Amyloidosis

2- All of the following are reversible proteinmodifications EXCEPT:

a. Proteolysis

b. Phosphorylation

c. Acetylation

d. Methylation

e. Ubiquitination

3- How can protein-protein interactions regulateenzymes?

a. These interactions change the pH of the local environment,causing enzymes to be less efficient

b. These interactions change the conformation of the enzyme,which may inactivate the enzyme

c. These interactions change the enzyme’s amino acid sequence,which may enhance enzyme activity

d. These interactions prevent translation of the enzyme’s mRNA,leading to lower levels of the enzyme

e. These interactions send enzymes out of the cell, so that theycan no longer catalyze cellular processes

Answer & Explanation Solved by verified expert
4.4 Ratings (662 Votes)
1 Answer e Amyloidosis is a rare systemic disease that occur due to the deposition of amyloid Amyloid is an abnormal deposition of proteins which is insoluble and gradually deposits in the organ causing its progressive malfunction All other options are a type of posttranslational modification which helps the protein to achieve a specific 3D conformation essential for its function The specific structure of the protein    See Answer
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