What is Inoculating Loops and Needles? Definition of Inoculating Loops and Needles Inoculating loops and needles are handheld tools used in microbiology laboratories to transfer and manipulate microorganisms. Inoculating loops are wire loops with a small diameter used to collect and streak microbial cultures on solid agar-based media. Inoculating needles are sharp needles used to … Read more
What is a Colorimeter? Colorimeter Definition A colorimeter is a scientific instrument used to measure the absorbance of specific wavelengths of light by a solution, aiding in determining the concentration of a solute within that solution based on the Beer-Lambert law. Principle of Colorimeter – How does a colorimeter work? The principle of a colorimeter … Read more
A hot air oven is a laboratory appliance that is used to dry, sterilize, or heat materials. It works by circulating hot air inside the oven chamber to evenly distribute heat to the materials being processed. Hot air ovens are often used in a variety of settings, including research laboratories, industrial settings, and educational institutions. … Read more
Phylum Nemathelminthes General Characteristics of Nemathelminthes Phylum Nemathelminthes, also known as Nematoda or roundworms, exhibit several general characteristics that define their biology and classification. Here are some key characteristics of nematodes: Structure of Nemathelminthes Nemathelminthes, also known as roundworms or nematodes, exhibit a unique structure that distinguishes them within the animal kingdom. Here are the … Read more
What is Kingdom Protista? Definition of Protista Protista: A diverse group of eukaryotic microorganisms, not belonging to animals, plants, or fungi Protists The scientific name of protists Amoeba Amoeba proteus Paramecium Paramecium pentaurelia Stentor Stentor coeruleus Euglena Euglena gracilis Volvox Colonial volvox Slime mold Physarum polycephalum How do they Look? – Protista Under Microscope History … Read more
What is Phytoplankton? Definition of Phytoplankton Phytoplankton are microscopic, photosynthetic organisms found in aquatic environments that serve as the foundation of marine and freshwater food chains and contribute significantly to global oxygen production and carbon cycling. Characteristics Features of Phytoplankton Phytoplankton are a diverse group of microscopic photosynthetic organisms that inhabit aquatic ecosystems, and they … Read more
What is Dinoflagellate? Definition of Dinoflagellate Dinoflagellates are single-celled eukaryotic microorganisms, primarily found in marine environments, characterized by two whip-like flagella that facilitate movement. Many species are photosynthetic, and they play vital roles in aquatic ecosystems, ranging from primary producers to causing phenomena like bioluminescence and red tides. Dinoflagellates Classification Dinoflagellates are a diverse group … Read more
Cnidaria comes from the Greek word cnidos, which means stinging thread. The existence of cnidae characterises these creatures. Cnidaria is a phylum within the Kingdom Animalia that contains 10,000 known species, including corals, sea anemones, jellyfishes, and hydras. These organisms are found in both marine and freshwater environments. It is an additional ancient group with … Read more
Sea fur is an alternative term for Obelia. Obelia has a delicate, semitransparent, pale to light-brown hydroid colony. It consists of stems with vertical branches called hydrocauli and root-like branches called hydrorhiza. In order to complete its life cycle, Obelia’s asexual and sexual generations alternate. The life cycle of Obelia regularly alternates between hydroid and … Read more
What is Protista? – Protista Definition Different Locomotion organs of Protista Protists are a heterogeneous group of unicellular eukaryotic creatures with a vast array of movement techniques. Certain protists utilise flagella, cilia, or pseudopodia for locomotion. 1. Flagella Some protists have long, whip-like appendages called flagella that protrude from their surface. They are utilised for … Read more
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