Biology Essays and Term Papers

the effect of temperature on the plasma membrane of a beetroot. I will do this by measuring the percentage light transmission using a spectrophotometer. Once I have obtained my results, I will justify them using scientific knowledge explaining what…

have brought mankind to the pinnacle of existence. Progression in architecture, medicine, exploration, technology, and communication have led to countless inventions and improvements that have immensely changed the world. People no longer die from polio,…

is to show seasonal changes in insect and predator behavior. Pennuto (2003) determines whether seasons, predator existence or alternative prey, availability affected prey patch use when faced with a sit-and-wait predator from streams in southern…

with pigs, nor were strawberries bred with fish, nor apples bred with chickens. However, recent advancements in the field of biotechnology now allow scientists to transcend the laws of Nature. In today's agriculture, dozens of food crops have been…

The Six Million Dollar Man, Jurassic Park, etc.; the list goes on. All these movies show man's instinct to create. This fiction of playing God in recent years is becoming a reality.         In 1952, deoxyribonucleic acid was discovered(Dewitt,…

produced through photosynthesis, such as sucrose, from the leaves to other parts of the plants where they are utilized. It occurs in the phloem sieve tube between the source end(near the leaves); where sucrose is loaded due to the process of photosynthes…

frequency of stomata between green and white areas of leaves Plan Prediction I predict that there will be a higher stomatal frequency present in the green areas of the leaves as the green colour indicates the presence of chloroplasts containing chloroph…

unwanted living things. The effects of pesticides are not limited to the plants to which they are applied. They also affect human, animals, and the environment. The scientific research that describes the impact of pesticides indicates that pesticides…

is a special kind of diffusion. Diffusion is the movement of particles from a high concentration to a low concentration until they are spread out evenly. Osmosis is the passage of water molecules from a region of high water concentration to a region…

of stomata in the upper and lower epidermis of a dicotyledonous leaf. Stomata are the principle means of gas exchange in plants. Stomata are small pores they are controlled by guard cells which control the opening and closing of stomata. Stomata…