BIOLOGY

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Homework!!!

**//__ Cofactor: __//** //**__ Ribozymes: __**// //** Definition: **// is an RNA molecule that catalyzes a chemical reaction **. ** **Examples:** Vitamin A, D, E, K (fat soluble), B, C (water soluble).
 * Definition: ** A cofactor is a non-protein chemical compound that is bound (either tightly or loosely) to a protein and is required for the protein's biological activity.
 * Properties: ** A nonprotein component of enzymes. Many of the coenzymes are derived from vitamins. The coenzymes make up a part of the active site, since without the coenzyme, the enzyme will not function.
 * Examples: ** Nicotine, adenine, phosphate, dinucelotide, pyrophosphate, etc.
 * //__ Enzymes: __//**
 * Definition: ** they are biomolecules that catalyze chemical reactions. Nearly all known enzymes are proteins.
 * Properties: ** They are specific to one type of reaction. They are denatured by high temperature.
 * Examples: ** carbonic anhydrase, alcohol dehydrogenase, cytochromes, hemoglobin, etc.
 * Examples: ** Peptidyl transferase 23S rRNA, RNase P, Group I and Group II introns, GIR1 branching ribozyme
 * //__ Vitamine: __//**
 * Definition: ** is an organic compound required as a nutrient in tiny amounts by an organism
 * Properties: ** Vitamins are classified as either water-soluble or fat soluble.

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Homework: Why Aristotle, Lazzaros Pallani, Francesco Redi and Louis Pasteur where related?  Abiogenesis is the study how life on Earth could have arisen from inanimate matter. It should not be confused with evolution, which is the study of how groups of living things changed over time. Well, Aristotle, Lazzaros Pallani, Francesco Redi and Louis Pasteur were related because all them studied and were interested of Abiogenesis.