Incomplete dominance is when both of the the alleles represented are heterozygous thus creating a third phenotype known as a blend e.g white and red flowers gives a pink one. Whereas dominant recessive both alleles are homozygous and thus the phenotype depicts that gene.
Answer: Leeuwenhoek biggest contribution is to the first tenet of the cell theory.
Explanation: the first tenet of cell theory states that every living being is made of cells and even an organism can be made of just one cell able to reproduce by itself.
Leeuwenhoek observations stablish the existence of microscopic structures alive some with movement. This helped other scientists to determinate this structures were cells that can make vital processes such as feeding, breathing or reproducing which are determinant in biological definition of life.
Complex molecules are broken down into smaller molecules during catabolic processes, which results in a net release of chemical energy.
Complex molecules are broken down into simpler ones through catabolic processes, which often result in energy release. In catabolic processes, energy held in the bonds of complex substances, such as glucose and lipids, is released.
There are two main branches of metabolism: the catabolic (or energy-producing) branch and the anabolic (or energy-using) branch. Catabolism is the destructive branch, which produces energy. Larger, more complex molecules are broken down into smaller, simpler molecules in catabolic processes, which release energy in the process.
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This argument would not be valid because it fails to take into account the <u>mechanisms </u><u>through which </u><u>evolution </u><u>occurs</u> and misunderstands the <u>second law </u><u>of </u><u>thermodynamics</u><u>.</u>
The second law of thermodynamics states that the total entropy of a system must always increase. The argument stating that this law disproves evolution given that evolution can be considered as a <u>decrease in entropy</u>, fails to realize that the <em><u>second law</u></em> states that the <u>total entropy </u>must increase, this does not mean that entropy cannot decrease at one point, to then increase more so at another.
The other aspect of evolution that this argument fails to account for is that evolution is a chaotic process. Evolution, though having a final product that may be considered as increasing in organization, is at heart <u>a </u><u>chaotic process </u><u>caused by</u><u> random mutations</u><u> and the fragile process of </u><u>natural selection</u><u>.</u> Therefore, rather than disprove it, the<em><u> second law of thermodynamics</u></em> is actually the driving force behind continued evolution.
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