Movement of particles from a region of a high concentration to a region of low concentration
Answer:
Enzymes are biological catalysts which speed up biochemical reactions.
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The correct answer is: introns
Processing of mRNA is process that occurs only in eukaryotic cells. After the transcription, newly formed mRNA molecule is called and it must be processed into a messenger RNA (mRNA). Processing includes:
• Addition of a 5' cap to the beginning of the RNA
• Polyadenilation- addition of a poly-A tail (tail of A nucleotides) to the end of the RNA
• Splicing- removal of introns and linking the exons
After these steps mRNA is mature and used for the further steps (e.g. translation).
Sometimes some genes are alternatively spliced.
Answer:
2
Explanation:
Since the mutation occurs within the organism it is directly affected. However, mutations need to occur in the reproductive system of organisms to affect their offsetting
