It is A: a chemical reaction, due to the acid activity (acetic acid)
Hello!
I believe the correct answer to your question would be sister chromatids.
Hope this helps, and have a lovely rest of your day :)
Down syndrome is caused by the nondisjuction of the chromosome 21.
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Learn more: brainly.com/question/9782041
Answer:
diffusion
Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis ).
Explanation:
