In your own words fully describe what is happening in each stage of mitosis. Be sure to include in your answer the terms “ spindle fibers”, “centrioles” and “nuclear envelope”

this is true, assuming that the allele is completely recessive and incomplete dominance is not a factor.

correct answer is a. and d.

the nitrogen cycle provides nitrogen to the ecosystem from the atmosphere, ground and oceans. nitrogen is an important component of complex molecules such as amino acids and nucleotides, which lead to the creation of proteins and dna, the building blocks of all life. plants absorb nitrogen in the form of ammonium, nitrate ion and, on rare occasions, as amino acids. animals receive nitrogen necessary for biological processes from feeding on living or dead organic matter.