What is the significance of the 5' cap and poly-A tail in eukaryotic mRNA?

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Question: What is the significance of the 5\' cap and poly-A tail in eukaryotic mRNA?

Options:

Correct Answer: They protect mRNA from degradation and assist in translation

Solution:

The 5\' cap and poly-A tail protect mRNA from degradation and facilitate its recognition and translation by ribosomes.

What is the significance of the 5' cap and poly-A tail in eukaryotic mRNA?

What is the significance of the 5' cap and poly-A tail in eukaryotic mRNA?

Step 1: Understand that mRNA is a type of molecule that carries genetic information from DNA to make proteins.
Step 2: Learn that eukaryotic cells (like human cells) modify mRNA after it is made.
Step 3: The 5' cap is a special structure added to the beginning of the mRNA. It helps protect the mRNA from being broken down.
Step 4: The poly-A tail is a long string of adenine nucleotides added to the end of the mRNA. It also helps protect the mRNA and makes it more stable.
Step 5: Both the 5' cap and poly-A tail help the ribosomes (the machines that make proteins) recognize the mRNA so they can start translating it into a protein.

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