Dr. Isley (a.k.a. Poison Ivy) is teaching a master class on botany. Explain to her the following concepts so that she will keep her promise to release Batman and Robin from captivity! Part 1: Plants absorb water through special cells in their roots. For the water to enter the root cells, does the water need to be hypertonic, hypotonic, or isotonic to the inside of the cell? Briefly explain your reasoning? Part 2: Based on your answer in Part 1, would there be more hydration shells in the extracellular (surrounding) water or inside of the root cells? (one word answer) Part 3: First, explain why water is a polar molecule. Then, discuss how the polar nature of water allows it to form hydrogen bonds with other polar molecules and how this relates to the ability for water to form hydration shells.
Cell Structure
The knowledge and concept about the structure of the cells have changed constantly over the past years. Primarily the scientist defines the cells as a simple membranous sac with fluids and some particles. Researches have now revealed that the cell is the more complex and basic unit of life. There are different types of cells and they also differ in shape and structure. The basic three parts of a cell are cell membrane, cytoplasm, and organelle.
Plant Cell
The smallest functional unit of a living organism is known as the cell. It is composed of cytoplasm enclosed by an outer layer known as the cell membrane. A cell is classified as a prokaryotic cell and a eukaryotic cell. A prokaryotic cell does not contain a nucleus, and the genetic material is freely suspended in the cell cytoplasm; for example, bacteria are composed of a prokaryotic cell. Whereas a eukaryotic cell contains a nucleus and membrane-bound cell organelles with a specific function, plants and animal cells are examples of eukaryotic cells.
Plant Cell Types
Plants are made up of a variety of cell types that include both living and dead cells. These cells provide them mechanical and structural support along with the growth of plants. Plant tissue is a group or collection of cells, which are similar in structure and work together to accomplish a specific function. Plant cells are most similar to animal cells, both being eukaryotic cells.
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