Torsion in gastropods: It is a unique developmental process in which the visceral mass, mantle, and shell rotate 180 degrees counterclockwise relative to the head and foot during the larval stage. This causes the mantle cavity and anus to move from a posterior to an anterior position above the head, transforming the originally bilaterally symmetrical…
Ribosomes: Ribosomes consists of two units one small and other large which fit together and work as one to translate mRNA into a polypeptide chain during protein synthesis. In prokaryotic cells ribosomes are synthesized in the cytoplasm and nucleolus in eukaryotic cells. Over 200 proteins are needed to synthesize the four types of RNA. Ribosomes…
Fisheries Development in India: With over 8% of the world’s total fish production, India is the second-largest producer. India’s fishing industry has seen tremendous expansion and change during the last 20 years. India’s position in the world’s fisheries and aquaculture has been strengthened by significant events that have occurred between 2004 and 2024, including regulatory…
Nucleus: Nucleus contains the genome, which is the cell’s genetic database encoded in Deoxyribonucleic Acid (DNA). It is the largest organelle of the cell. Nucleus Structure: The structure of the nucleus (in a eukaryotic cell) includes several key components that together regulate genetic material and cellular function. It includes- 1)Nuclear Envelope 2)Nucleolus 3) Nucleoplasm 4)Chromatin…
Protochordata: The organisms belonging to the Protochordata or acraniates are generally known as the lower chordates. They don’t form a “proper” taxonomic group and are only classified as such for convenience purposes. However, they do form a major group of Chordata. They are also known as Acraniata because they lack a true skull. Characteristics of…
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Ghost Frog: Researchers meticulously studied Germain’s travel accounts and other historical documents from the late 19th century. By reconstructing his likely route through the estate, they identified probable collection sites in the remote Andean foothills Ghost Frog Species: Alsodes vittatusLast Seen: 1902Rediscovery: 2024, Chile Species Last Seen Rediscovered Location Habitat Type Conservation Status Alsodes vittatus 1902 2024 La…
Sport fisheries: It also known as recreational or angling fisheries, refer to fishing activities undertaken primarily for pleasure, recreation, or tourism rather than for commercial gain. In India, sport fishing is a rapidly growing segment within the tourism industry, attracting both domestic and international anglers due to the country’s diverse aquatic habitats and rich fish…
