What is the name of the structure that connects the two sister chromatids?

Abanana plant produces rhizomes, which are involved in?

In general, how long does it take to accomplish a long-term goal? a. a few days to a weekb. a few weeks to a monthc. a few months to a yeard. more than a year

How does the author's purpose in this passage differ from an author writing about her personal struggle living with asthma?