Microtubule: various cellular functions What they are (definition) Microtubules are structures (filaments) present in the cells of eukaryotes. They are formed by the polymerization process of two globular proteins (alpha and beta tubulin) and a dimer. They are important because they are involved in various processes performed by cells.
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Photos of Amphibian Green Frog Scientific Classification Kingdom: Animalia Phylum: Chordata Class: Amphibia Order: Anura Family: Ranidae Genus: Rana Species: R. perezii ____________________________ Common Frog Scientific Classification Kingdom: Animalia Phylum: Chordata Class: Amphibia Order: Anura Family : Bufonidae Genus: Bufo ____________________________ Italian Crested Newt Scientific Classification Kingdom: Animalia Phylum: Chordata Class: Amphibia Order: Caudata Family: Salamandridae Genus: Triturus Species: T.
Retina: function of transforming light stimulus into nervous What is Retina Retina is one of the membranes of the posterior tracking of the eye, whose function is to transform the light stimulus into a nervous stimulus. The nerve membrane of the eye and its territory extend from the optic nerve to the pupil. It is formed by ten layers, of which stand out the pigment epithelium (the outermost layer) and the sensory layer (composed for photoreceptors).
Pulmonary tuberculosis: caused by Koch's bacillus What it is - Definition Tuberculosis is a disease caused by infection with the Mycrobacterium tuberculosis, also called Koch's bacillus, named after the German physician who discovered it: Heinrich Hermann Robert Koch. Disease Characteristics This disease is highly contagious and spreads through droplets that are expelled by infected people as they speak, sneeze or cough.
Nominating Biology Textbooks for High School Biology Textbooks (High School) Fundamentals of Modern Biology Author: Amabis, Jose Mariano; Martho, Gilberto Rodrigues Publisher: Moderna Biologia Hoje (volumes 1, 2 and 3) Author: Linhares, Sergio; Gewandsznajder, Fernando Publisher: Ática Biologia Author: Birner, Ernesto; Uzunian, Armenio Publisher: Harbra Essential Biology Author: Lopes, Sônia Publisher: Saraiva Integrated Biology - Single Volume Author: Cheida, Luiz Eduardo Publisher: FTD Biology in the Third Millennium 3 - Living Beings, Evolution, Ecology Author: Soares, Jose Luis Publisher: Scipione Concepts of Biology Author: Amabis, Jose Mariano Publisher: Moderna Biologia - Single Volume Author: Silva Jr, Cesar da; Sasson, Sezar Publisher: Saraiva Biology 2 - Organism Biology - Moderna Plus Author: Amabis, Jose Mariano Publisher: Moderna Biology 3 - Population Biology - Moderna Plus Author: Amabis, Jose Mariano Publisher: Moderna Biology - Brasil Series - High School Author : Gewandsznajder, Fernando; Linhares, Sergio Publisher: Ática Biologia - An Eye on the World of Work - High School Single Volume Author: Sídio, Machado Publisher: Scipione Biology - High School - Single Volume Author: Laurence, Janet Publisher: New Generation Biology - New High School Series Edition Compacta Author: Paulino, Wilson Roberto Publisher: Ática Biology in Focus - Single Volume Author: Carvalho, Wanderley Publisher: FTD Biology and Citizenship Author: Marcondes, Ayrton Cesar Publisher: Escala Educacional Biologia Full Program Author: Linhares, Sergio Publisher: Ática
Broccoli: Great Source of Vitamin A General Characteristics: Vitamin A (Carotene or Retinol) plays an important role in the nutrition of the eyeball and also in maintaining the balance of the skin and mucous membranes. It also acts to protect against infectious diseases. Their deficiency causes the following problems: · Problems with visual accommodation · Disturbances in color perception · Dryness in the eyes · Photophobia (light sensitivity) · Night blindness · Skin cell problems · Lower immune system resistance · Metabolism-related disorders of the skin, etc.
Structure of an Animal Cell (image source: Wikipedia) Organelles of an animal cell and their functions: 1- Nucleolus - production of ribosomal components 2 - Nucleus - store and transmit genetic information in the reproduction of cells and regulate cellular functions. It is surrounded by a nuclear membrane (envelope), called a library.
Lysosomes: an important function in the process of intracellular digestion (microscope enlarged image of a lysosome) What they are - definition Lysosomes are organelles present in the cytoplasm of the vast majority of eukaryotic cells. Inside the lysosomes we can find a lot of digestive enzymes.
Cell nucleus: control of cell functions What it is (definition) The nucleus is responsible for controlling all cellular functions. Most cells in our body have a single nucleus. However, there are cells that have none (mature red blood cells) and others that have several, such as skeletal muscle cells.
Tomato: Source of Vitanin B3 Vitamin B3 Functions in the Body: Vitamin B3, also known as niacin or nicotinic acid, is important for maintaining the balance of the skin and nervous system. It also has relevant importance to the proper functioning of the digestive system. Deficiency: Your deficiency in the body causes a condition known as pellagra, Skin blemishes, Fatigue, Irritability, Insomnia, Nervous depression, Diarrhea, Dermatitis, etc.
Nervous System: Various Functions in the Body Introduction The nervous system of humans performs several functions of the utmost importance for the perfect functioning of the organism. In addition to performing specific tasks, the nervous system acts in conjunction with other organs of the human body, assisting them in their functioning.
Jararaca: Venomous Serpent Main Features: - Jararaca is a popular and common name given to various snake species of the Bothrops genus. - The main species are: green jararaca, dry jararaca, northern jararaca, ilara jararaca, forest jararaca, cruiser jararaca and jararacuçu. - Jararacas live in various regions of Central America, South America and Mexico.
Curiosity: Blue whale is the largest animal in the world Curiosities about animals: - The smallest bird in the world is the hummingbird-bee. Weighing 1.7 grams and 58 millimeters (males), this tiny bird is found in the woods and forests of Cuba. - Shrimp, a crustacean much appreciated in cooking, has the heart and part of the digestive system inside the head.
Hyaloplasma: Liquid Inside Cells Definition - What is Also known as cytosol, hyaloplasma is a liquid present inside the cells of living things. It is the soluble part of the cytoplasm. Key features: - In the peripheral areas of the cytoplasm, it presents as a colloidal matter (viscous gel species).
Hydra: Small animal living in clean, fresh water What it is - biological definition Hydra is a small invertebrate animal that inhabits fresh and clean water. The hydra is part of the Cnidarian phylum and the Hydrozoa class. Summary of main features: - They are small, having between 2 and 3 centimeters in length.
Description Snake is a common name used to designate poisonous snakes from the Elapidae family. The snakes of this family are highly poisonous and inhabit tropical and subtropical regions of the world. One of the main features of these snakes is the presence of fixed teeth with gaps where they inject the venom.
Insect: example of invertebrate animal Best known examples of invertebrate animals: Arthropods - Spiders - Insects (cockroaches, crickets, grasshoppers, mosquitoes, bees, bedbugs, wasps, ants, butterflies, cockroaches, beetles, etc.) - Crustaceans (lobsters, shrimps , barnacles) - Centipedes - Snake Lice - Lacraias Molluscs - Shellfish - Squids - Octopuses - Snails Poriferous - Sponges Coelenterates - Corals - Polypets - Jellyfish Echinoderms - Starfish - Sea urchins Platelminths - Worms - Parasites Nematodes - Roundworms - Jackalote - Tapeworm Ringworms - Earthworms - Leeches - Polychaetes
Teiú: a very common reptile in Brazil What it is - biological definition Teiú is a reptile belonging to the Teiidae family (scaly reptiles, with elongated body and developed limbs). Teiú is a popular name for several Tupinambis reptile species. The web is a very common animal in Brazil.
Ant: one of the most popular insects What they are - biological definition Insects are invertebrate animals and are part of the Insecta class. They suggested millions of years ago. Scientists say the first ones appeared about 500 million years ago. Currently there are thousands of species and among them we can highlight: butterflies, flies, moths, bees, wasps, beetles, ants and many others.
Neurology: study of the nervous system What is Neurology Neurology is the branch of medicine that specializes in the study of the nervous system (central and peripheral). Neurology also studies the diseases of the nervous system and the relationships and their relationships with other parts of the human body. The doctor specializing in neurology is called a neurologist.