Answer 1:
The outer covering of plant cell is made up of rig storm. In the primary (growing) plant cell wall, the major carbohydrates are cellulose, hemicellulose and pectin. The cellulose microfibrils are linked via hemi cellulosic tethers to form the cellulose-hemicellulose network, which is embedded in the pectin matrix.
Answer 2:
Plant cell walls are primarily made of cellulose, which is the most abundant macromolecule on Earth. Cellulose fibers are long, linear polymers of hundreds of glucose molecules.
Answer 3:
The cell wall is the protective, semi-permeable outer layer of a plant cell. A major function of the cell wall is to give the cell strength and structure, and to filter molecules that pass in and out of the cell.
Answer 4:
Plants use energy from sun. Photosynthesis is the process by which plants convert energy from the sun. It is the process that allows plants to create organic molecules that they use as fuel.
Answer 5:
DNA and RNA are two major types of nucleic acids that help in cell reproduction. DNA is deoxyribonucleic acid while RNA is ribonucleic acid.
Answer 6:
Plant cells make their own food by photosynthesis. Animals cells obtain energy from the food they consume, using that energy to maintain body temperature and perform other metabolic functions.
Answer 7:
Water molecules move according to differences in potential energy between where they are and where they are going.
Cells take water and fluids through diffusion, osmosis, active transport etc.
Answer 8:
The three tenets to the cell theory are as described below: All living organisms are composed of one or more cells. The cell is the basic unit of structure and organization in organisms. Cells arise from pre-existing cells.
All the life forms known to existence are made up of cells.