AARPâs Role AARPâs participation in this program will advance efforts to help people live easily and comfortably in their homes and communities as they age. It will advance goals in areas such as housing, caregiving, community engagement, volunteering, social inclusion, and combating isolation among older citizens.
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.nimal 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.
A variety of organisms have cell walls. Plant cell walls are made of mostly of cellulose, hemicellulose, and pectin. There compounds make a rigid cell wall that gives the plant structure to support itself. Fungi and other organisms like diatoms have cell walls made of different compounds such as chitin and silica.