Friday, October 3, 2014. It is most likely found in amino acids which make up proteins, in the term nucleic acids, that comprise the hereditary material and a general outlook for all cells and in other organic and inorganic compounds. Why is nitrogen important to living things? How is it recycled into the environment? What are some reservoirs of nitrogen? Human influences on the nitrogen cycle.

Dear incoming AP biology Students,. If I Was An Organelle. They are the powerhouse of cells. MtDNA mutations can interfere with transcription and translation. Many cells only have one mitochrondrion. Mitochondria diseases play a role in aging.

Saturday, October 4, 2014. Carbon is an element present in all living organisms. Carbon is found in everything from rocks to the ocean to the sky. The carbon cycle is essential to living things because they need carbon to live, grow and reproduce. Monday, July 28, 2014.

Friday, October 3, 2014. The ugly step-brother of the 3 nutrient cycles. Most people are familiar with, or at least heard of, the carbon and nitrogen cycle. But what is so important about the phosphorus cycle? Phosphorus is the limiting agent in plant growth. Too little in the soil and plant life will be stunted while too much will present excess growth. It is also the backbone of DNA and RNA and is used for coding genetics. Friday, September 5, 2014.

Saturday, October 4, 2014. All living things are made of carbon. Carbon is neither created nor destroyed, it only changes in location and form. The concentration of carbon in living matter is almost 100 times greater than carbon found in Earth. Carbon is the fourth most common element on Earth! Carbon mainly enters the biotic world through photosynthesis. Carbon is attached to oxygen in the atmosphere to become carbon dioxide.