Energy Sources and Energy for Life
The three types of energies sources that are utilized by cells include sunlight, glucose, and cellular nutrients. Cellular nutrients normally include fats as well as sugars. So that the cells can be energized, the molecules are required to pass across the membrane that operates as barriers despite the fact that it is not impassable (Karp, 2010). The different proteins that cross the membrane allow different molecules to the cells but they necessitate some energy utilization in accomplishing tasks. On the other hand sunlight is the main source of energy for almost all the cells because of photosynthetic, algae, prokaryotes as well as plant cells which harness the sunlight energy and utilize it in creating complex organic molecules that are relied by plants in sustaining metabolism, reproduction, and growth (Karp, 2010). Sugar molecules provide ATP and the molecular energy is utilized in functions such are energy production.
Passive and active transport illustrates the types of transportation that are involved in the cells. Active transport utilizes nutrients energy which necessitates the creation of cell membrane gradient (Karp, 2010). On the other hand, passive transport is the molecules movement across the membrane which mainly utilizes energy that is acquired from sunlight that is utilized in ATPs production through osmosis, diffusion and facilitated diffusion (Karp, 2010).
Most individuals lose weight on planning diets that restricts intakes of calories and what the take in the short run. However, low carbohydrates intake may lead to short run weight reduction as compared to diets with low fats (McArdle, Katch & Katch, 2006). Carbohydrates diets result in the reduction of body energy. On the other hand, Atkins is effective in quick shedding fats shed off and reduces the number of health risks such as diabetes but the lack of a balance may lead to body weakness due to the presence of low fats in the body (McArdle, Katch & Katch, 2006).
The enzyme is a substance that is normally produced by the living organisms which serves as a catalyst in creating precise biochemical reactions (McArdle, Katch & Katch, 2006). Lipase is one of the enzymes that is involved in the breaking down of diets fats into small sized molecules that are called glycerol and fatty acids. A metabolic pathway is essential in the regulation of cells, in facilitating reactions and energy production (McArdle, Katch & Katch, 2006).
References
Karp, G. (2010). Cell and molecular biology: Concepts and experiments. Hoboken, NJ: John Wiley.
McArdle, W. D., Katch, F. I., & Katch, V. L. (2006). Essentials of exercise physiology: Student resource CD-ROM. Philadelphia, Pa: Lippincott Williams & Wilkins
