What is Facilitated Diffusion? Facilitated diffusion Definition Facilitated diffusion is a passive transport process in which specific molecules move across a biological membrane with the aid of specialized transmembrane proteins, following their concentration gradient without the direct use of energy. Principle of Facilitated diffusion – How does facilitated diffusion work? The principle of facilitated diffusion … Read more
Definition of Simple diffusion Simple diffusion is one of the types of passive transport that is, as the name implies is the simple movement of solute that happens when the electrochemical potentials of one side of the permeable barrier differ. Principle of Simple diffusion/How does simple diffusion work? In free diffusion across a membrane, solute … Read more
Stratified squamous epithelium Definition Stratified squamous epithelium diagram and Structure Classification of stratified squamous epithelium The stratified squamous epithelium is divided into two classes based on the accumulation of keratin by the cells towards the surface; Keratinized stratified squamous epithelium Non-keratinized stratified squamous epithelium Function of stratified squamous epithelium Stratified squamous epithelium play an important … Read more
By Sourav Pan 0 revisions 20 min readby Sourav Pan
Overview of Kingdom Animalia The Kingdom Animalia is a large group of multicellular eukaryotic organisms that are heterotrophic in their nature. They get their food from outside sources. While they cannot create their own food and this is among the most characteristic traits of plant cells, animal cells do not have a cell wall like … Read more
Phylum Chordata Definition “The chordates are a class of animals that have four anatomical characteristics, which are (1) nochord (2) dorsal cord of nerves, (3) post-anal tail and (4) Pharyngeal slits, at the very least, during a portion of their growth into maturity.” Or A phylum within the animal kingdom, which includes all animals that … Read more
Phylum Aschelminthes Definition Aschelminthes are pseudocoelomate. They are bilaterally symmetrical, triploblastic, non-segmented, vermiform, organ-system grade construction that includes full digestive tubes. Characteristics of Phylum Aschelminthes Classification of phylum Aschelminthes The phylum is a heterogeneous collection of animals, which is why it is classified differently by various Zoologists. The classification here is based on and on … Read more
By Sourav Pan 1 revisions 13 min readby Sourav Pan
Definition of Phylum Coelenterata (Cnidaria) The Coelenterata can be described as a diploblastic metazoa that has a the tissue grade having one nematocyst, and one gastrovascular cavity, or coelenteron. Characteristics of Phylum Coelenterata (Cnidaria) Classification of Phylum Coelenterata (Cnidaria) The phylum Coelenterata contains more than 11,000 species of which half are extinct. The classification used … Read more
Definition of Phylum Hemichordata Phylum Hemichordata is a small marine phylum of worm-like animals known as Acorn Worms. They are distinct from chordates and serve as important connecting links between vertebrates and invertebrates. Characteristics of Phylum Hemichordata Phylum Hemichordata exhibits the following characteristics: Some examples of Hemichordata include Balanoglossus, Saccoglossus, Rhabdopleura, Atubaria, and Dendrograptus. In … Read more
Kingdom: Animalia Subkingdom: Eumetazoa Clade: ParaHoxozoa Clade: Bilateria Clade: Nephrozoa (unranked): Protostomia Superphylum: Ecdysozoa (unranked): Panarthropoda (unranked): Tactopoda Phylum: Arthropoda What is Phylum Arthropoda? Definition of Arthropoda (Arthropods) The Arthropods belong to the bilaterally symmetrical, metamerically separated, triploblastic creatures with a coelom that is diminished and altered. Their body is externally covered in an exoskeleton … Read more
By Sourav Pan 0 revisions 29 min readby Sourav Pan
What are Proteins? Definition of Proteins Proteins are large, complex molecules composed of amino acid chains that perform a vast array of functions in living organisms, including catalyzing metabolic reactions, providing structural support, and facilitating cell signaling and transport. Properties of Proteins Synthesis of peptides Peptides are short chains composed of amino acids. These chains, … Read more
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