In glycolysis there is a direct yield of two ATP molecules per degraded glucose molecules. Two NADH 2 molecules are also formed which, in the respiratory chain, provide energy for the synthesis of six ATP molecules. During the Krebs cycle, the two Acetyl-CoA molecules lead to the direct production of two ATP molecules.

It is the set of all physical factors that can affect the communities of a certain region. These influence the growth, activity and characteristics that beings have, as well as their distribution in different places. These factors vary from location to location, determining a wide range of environments.

The bones of the upper and lower limbs attach to the axial skeleton through the joint girdles. Upper Limbs Composed of upper arm, forearm, wrist and hand. The arm has only one bone: the humerus, which is an upper limb bone. The forearm is composed of two bones: the radius, which is a long bone and which forms with the ulna (ulna) the skeleton of the forearm.

Some bases are found in the substances used in our daily lives: magnesium hydroxide (Mg (OH) 2), present in the milk of magnesia used to combat stomach acidity; hydrated lime (Ca (OH) 2), used as mortar in construction; sodium hydroxide (NaOH), used for material cleaning, pipe unclogging and widely used in industry; ammonium hydroxide (NH 4 OH), a component of several commercially available cleaners.

The divisions that occur during segmentation are called cleavages, and the cells that form are called blastomers. In the Animal Kingdom, the difference in the quantity and distribution of calf in the egg determines differences in segmentation, the lower the rate of division. Because of this, we can consider two basic types of segmentation: holoblastic or total that occurs in the whole zygote; meroblastic or partial, which occurs only in part of the egg.

The Peripheral Nervous System consists of nerves and nerve ganglia and its function is to connect the central nervous system to various parts of the human body. Nerves are bundles of nerve fibers surrounded by a layer of connective tissue. In the nerves there are blood vessels, responsible for the nutrition of nerve fibers.