So your 2-week-old pup, weighing 24-ounces -- or 1.5 pounds -- should get 12 ounces of total formula each day. Youâll need to give him about 2 ounces of milk replacer every four hours or so at this weight.
Trending Now. Answers. The building technologies of animals and plants are different, and each type of organism is formed of many types of tissues, in which the cells are assembled and bound together in different ways. In both animals and plants, however, an essential part is played in most tissues by the extracellular matrix.
Cell Walls and the Extracellular Matrix. Although cell boundaries are defined by the plasma membrane, many cells are surrounded by an insoluble array of secreted macromolecules. Cells of bacteria, fungi, algae, and higher plants are surrounded by rigid cell walls, which are an integral part of the cell. Although not encased in cell walls, animal cells in tissues are closely associated with an extracellular matrix composed of proteins and polysaccharides.