Question
Describe the role of signal sequences in protein targeting to different cellular compartments.
Answer :
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Signal sequences are short peptide sequences found at the N-terminus of nascent proteins that direct their transport to specific cellular compartments. These sequences serve as molecular "addresses," guiding proteins to their proper destinations such as the nucleus, mitochondria, endoplasmic reticulum (ER), or plasma membrane. The most well-known signal sequence is the ER
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