You will find all types of academic human biology study notes.These Biology notes will help you in your exam and in your practical life.
Extinct animals are those that disappeared from planet Earth for various reasons, whether due to natural phenomena or human intervention in nature. The main reasons are: predatory hunting, fishing, contamination of soil, water, air, destruction of habitats, climate change, use of toxic substances. The list of animals that have passed through planet earth is very extensive. Discover below 30 … Read more
Mendel’s Laws are a set of foundations that explain the mechanism of hereditary transmission over generations. The monk Gregor Mendel’s studies were the basis for explaining the mechanisms of heredity. Even today, they are recognized as one of the greatest discoveries in Biology. This made Mendel considered the “Father of Genetics”. Mendel’s experiments To conduct his experiments, Mendel chose … Read more
The excretory system has the function of eliminating the residues of the chemical reactions that occur inside the cells, in the process of metabolism. In this way, many substances that are not used in the body, especially toxic ones, are excreted from the body. It is important to emphasize that the excretory system is responsible … Read more
Phases of Mitosis.Mitosis is a process of continuous cell division in eukaryotic cells, where a cell gives rise to two other identical cells with the same number of chromosomes because before mitotic division the genetic material of the cell (in the chromosomes) is duplicated. Phases of Mitosis Mitosis has four main phases: Prophase, Metaphase, Anaphase and Telophase. … Read more
DNA (Deoxyribonucleic acid) is a molecule present in the nucleus of cells of all living beings and that carries all the genetic information of an organism . It is formed by a spiral-shaped double strand (double helix), composed of nucleotides. DNA structure The DNA molecule is made up of three chemicals: Nitrogenous Bases– Adenine (A), Thymine (T), Cytosine (C) … Read more
Prokaryotic cells, also known as protocells or prokaryotic cells, are cells that do not have a defined cell nucleus and, therefore, the cellular genetic material is dispersed in the cytoplasm. In addition to prokaryotic cells, there are also eukaryotic cells and they are distinguished by their functioning and the complexity of their cellular structure. Prokaryotic … Read more
