PRACTICAL 3- SYMBIOSIS & CAMOUFLAGE (1).pptx
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This document discusses two examples of symbiotic relationships in animals. The first is between termites and Trichonympha, where the termites provide a home and food for the Trichonympha in exchange for the Trichonympha breaking down cellulose in wood for the termites to absorb. The second example is between hermit crabs and sea anemones, where the crab gains protection from stinging cells on the anemone's tentacles and the anemone is transported to new locations by the crab.
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Blood banks store and test blood and blood components to ensure a constant supply for transfusions and medical procedures. They select donors and recipients to match blood types. Blood is stored with an anticoagulant like acid-citrate-dextrose solution at temperatures between 2-4 degrees Celsius for up to 21 days. After 21 days, red blood cells can be stored as plasma through centrifugation. Freezing allows longer storage but may damage red blood cells unless protective agents like glycerol are used. Blood banks emerged as important medical institutions during World War I and became widespread in the 1930s.
Viva questionssem vi
This document contains questions related to experiments in genetics and bioinformatics covered in the practical course. It includes questions from 8 experiments: 1) quantitative estimation of RNA by orcinol method, 2) quantitative estimation of DNA by diphenylamine method, 3) separation of genomic DNA by agarose gel electrophoresis, 4) colorimetric estimation of proteins from a given sample by Folin Lowry's method, 5) problems based on restriction endonucleases, 6) karyotype analysis for syndromes and interpretation of genetic formulae, 7) calculation of mitotic index from a given micrograph, and common questions for all experiments. The questions cover topics like nucleic acid extraction, quantification, electrophoresis, protein estimation, restriction end
Electrophoresis Verticle and Horizontal
This document discusses electrophoresis techniques used in a zoology course. It covers real and horizontal gel electrophoresis, with applications including DNA analysis for paternity and forensic investigations, protein analysis from clinical samples for disease diagnosis, and antibiotic analysis to study bacterial resistance and purify drugs. The class thanked students and said they would continue the discussion in the next lecture.
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The document discusses pH meters and their uses. It introduces pH meters as potentiometric devices that can estimate hydrogen ion concentration in order to determine if a sample is acidic, basic, or neutral. pH meters have various applications, including acid-base titrations, pharmaceutical drug development, medical diagnosis, dairy production, agriculture, aquaculture, and assessing water quality. The document also provides background on pH, explaining that it was first defined in 1909 as a scale by the Danish scientist Søren Peter Lauritz Sørensen to quantify hydrogen ion concentration in solutions, which is important for enzymatic reactions in living systems.
Endangered Species Presentation
The document discusses several endangered and critically endangered species found in India. It provides information on their distribution, habitat, population status, and reasons for decline. The Asiatic lion is highly endangered with only 523 remaining in Gir forest due to hunting, poaching, and risks from electrified fences and open wells. Blackbuck numbers have declined due to excessive hunting and habitat loss, though some populations are recovering. The Great Indian bustard is endangered and numbers have dropped severely due to hunting, habitat loss from agriculture and development. Olive ridley sea turtles are endangered or threatened largely due to accidental killing in fishing nets and exploitation of nesting beaches. Slender-billed vultures are critically endangered across India and Bangladesh mainly because they
Karyotypic analysis of syndromes, Kilnefelter, Turner , Patau, Edward, Down, ...
1) The document discusses several genetic syndromes caused by abnormalities in human chromosomes, including Turner syndrome, Klinefelter syndrome, Patau syndrome, Edward syndrome, and Down syndrome.
2) For each syndrome, the document provides information on the karyotype including total chromosome number and specific chromosomal abnormality (e.g. monosomy, trisomy), symptoms, and person who discovered or described the syndrome.
3) The syndromes result from errors in meiosis leading to gains or losses of whole chromosomes or parts of chromosomes, and each has a distinct karyotype and set of physical and developmental symptoms associated with the genetic anomaly.
Interpretation of Genetic formulae
The ppt contains structure of chromosome, Nomenclature of chromosome and how to represent structural or numerical abnormalities in chromosome using genetic formula
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Denis is a dynamic and results-driven Chief Information Officer (CIO) with a distinguished career spanning information systems analysis and technical project management. With a proven track record of spearheading the design and delivery of cutting-edge Information Management solutions, he has consistently elevated business operations, streamlined reporting functions, and maximized process efficiency.
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Date: May 29, 2024
Tags: Information Security, ISO/IEC 27001, ISO/IEC 42001, Artificial Intelligence, GDPR
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- 2. Aim:To study symbiotic association in animals. Introduction : Interaction between different species where both species are benefited is called symbiosis. It is a type of +ve interaction. “Long-term living together of unlike organisms”. 2
- 4. Example 1 – Termites andTrichonympha • Termites feed on wood particles which contain cellulose but do not secrete the required enzyme cellulase needed for digesting it. • Trichonympha live inside the gut of termites, secretes enzyme cellulase. • Termites provides a home and food for the Trichonympha and Trichonympha breaks down the cellulose (a type of carbohydrate) in wood and releases the nutrients from the wood that the termite absorbs. • Both partners are benefited. 4
- 6. Example 2. Hermit crab and Sea anemone. • Hermit crab occupies the empty shells of molluscan gastropods. • Here the crab derives protection from its predators by the poisonous stinging cells present on the tentacles of sea anemone. • In return the crab drives away the creatures like starfishes. • Also the sea anemone is transported from one place to another. 6
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