Texas Tech Recruitment. All information for dates/outfits can be found at that website!! Alpha Xi Delta will be coming on to campus Fall 2015. Friday, August 21: Preference- Cocktail Attire & Heels - Does not have to be black.
, allowing some substances to pass into the cell and blocking others. It is composed of a double layer of. phospholipids. and. embedded proteins. . Color and label. the cell membrane tan. Plant cells have an additional layer surrounding them called the cell wall. The cell wall is made of nonliving material called cellulose. Color and label. the cell wall brown.
Found in both plant and animal cells, the cell membrane is the outside wall of a cell. In plant cells, it is a second wall, and is found just inside the main cell wall. The cell membranes found in animal cells contain a chemical called cholesterol.This chemical makes the membrane harder.Plant cells do not need cholesterol because they have a cell wall, as a result, their cell membranes are softer.n plant cells, it is a second wall, and is found just inside the main cell wall. The cell membranes found in animal cells contain a chemical called cholesterol. This chemical makes the membrane harder. Plant cells do not need cholesterol because they have a cell wall, as a result, their cell membranes are softer.