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.
Cell wall and chloroplasts. These are only found in plant cells. Chloroplasts will be discussed in photosynthesis-but, like the mitochondria-they have an envelope of two membranes making up the outer wall. They have pairs of membranes called thylakoids arranged in stacks, each stack being called a granum.ell wall and chloroplasts. These are only found in plant cells. Chloroplasts will be discussed in photosynthesis-but, like the mitochondria-they have an envelope of two membranes making up the outer wall. They have pairs of membranes called thylakoids arranged in stacks, each stack being called a granum.