Answer:
Okay just think about the question and what it's asking you. Don't overthink it. If you're still confused i'll put the answer in the comments
Explanation:
Mitosis is the process of making cells for humans, plants, animals.
Meiosis is the process of making sex cells for humans and animals.
Hope this helps(:
The physical barrier that the mRNA must pass is the nuclear membrane.
The process of gene expression involves two main stages; transcription ; the production of messenger RNA by the enzyme RNA polymerase, and the processing of the mRNA molecule. Then the process of translation which takes place outside the nucleus, therefore the mRNA must cross the nuclear membrane to enter the cytoplasm.
