All animals and plants are made of cells. Animal cells and plant cells have features in common, such as a nucleus, cytoplasm, cell membrane, mitochondria and ribosomes. Plant cells also have a cell wall, and often have chloroplasts and a permanent vacuole.
Asker's rating. Report Abuse. You can stay outside for up to 2 years with a re-entry permit ...but you must keep a presence here ..home, bank account ..etc but for stays of over 6 months its best to get one a green card is for living here ...if you are not doing that you eill lose it. David Â· 6 years ago. Thumbs up. 2.
The more common form of Form I 551 is the permanent green card. Permanent residency with a permanent green card allows you to stay in the United States and work in the United States indefinitely. You will need to renew your green card every 10 years, as it expires, but your Form I-551 status will remain permanent.