Question

३) प्रोटीन का जैव संश्लेषण par tippani
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Answer 1

Answer:

प्रोटीन बनाने में २० अमीनो अम्ल भाग लेते हैं। पौधे ये सभी अमीनो अम्ल अपने विभिन्न भागों में तैयार कर सकते हैं। जंतुओं की कुछ कोशिकाएँ इनमें से कुछ अमीनो अम्ल तैयार कर सकती है, लेकिन जिनको यह शरीर कोशिकाओं में संश्लेषण नहीं कर पाते उन्हें जंतु अपने भोजन से प्राप्त कर लेते हैं।

Explanation:

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Answer 2

Answer:

A fundamental biological activity called protein biosynthesis takes place inside cells and counteracts the loss of existing proteins by producing new proteins.

Explanation:

Transcription and translation are the two processes that makeup protein synthesis. A segment of DNA called a gene, which codes for a protein, is transformed into a template molecule called messenger RNA during transcription (mRNA). As alterations and faults in this process, caused by underlying DNA mutations or protein misfolding, frequently constitute the underlying causes of disease, protein biosynthesis plays a crucial role in disease. DNA mutations alter the mRNA sequence that follows, which then modifies the amino acid sequence that is encoded in the mRNA. By producing a stop sequence that induces early cessation of translation, mutations can shorten the polypeptide chain. Alternately, a change in the sequence of the messenger RNA affects the specific amino acid that is encoded at that location in the polypeptide chain.

Thus, in all living cells, the general process of protein synthesis is the same. Eukaryotes and bacteria, however, differ greatly from one another.