Answer:b. an mRNA transcript to which multiple ribosomes are attached
Explanation: polysome consist of mRNA complex and two or more ribosome coming together to translate mRNA into a polypetide or amino acid. It helps produce many polypeptide from a single mRNA.
Different ribosomes bind to the mRNA at different time elongating the polypeptide chain. We have the free( non-poly A ) and memberane bound (poly A) polysome.
Answer:
Altitude
Explanation:
Its the elevation of an object above sea level.
B
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Answer:
Oxygen (O2) concerntration
Temperature
pH
First one is digestive system
second one is lion fish
i dont know the third one. im sorry