IGNOU Assignment Notes - Biology, Health Sciences, and Life Sciences study materials.https://ignou-notes.asarkar.dev/https://ignou-notes.asarkar.dev/posts/a-beginners-guide-to-fundamental-rights-and-their-significance/https://ignou-notes.asarkar.dev/posts/a-beginners-guide-to-fundamental-rights-and-their-significance/A Beginner's Guide to Fundamental Rights and Their SignificanceTue, 03 Feb 2026 17:47:01 GMThttps://ignou-notes.asarkar.dev/posts/aim-of-mid-day-meal-mdm-program/https://ignou-notes.asarkar.dev/posts/aim-of-mid-day-meal-mdm-program/Aim of Mid Day Meal (MDM) ProgramTue, 03 Feb 2026 17:47:01 GMThttps://ignou-notes.asarkar.dev/posts/healthy-minds-and-healthy-bodies-the-dual-aims-of-the-mid-day-meal-programme/https://ignou-notes.asarkar.dev/posts/healthy-minds-and-healthy-bodies-the-dual-aims-of-the-mid-day-meal-programme/Healthy Minds and Healthy Bodies - The Dual Aims of the Mid Day Meal ProgrammeTue, 03 Feb 2026 17:47:01 GMThttps://ignou-notes.asarkar.dev/posts/how-peroxisomes-and-lysosomes-generated-in-cell-what-are-functions/https://ignou-notes.asarkar.dev/posts/how-peroxisomes-and-lysosomes-generated-in-cell-what-are-functions/How are peroxisomes and lysosomes generated in a cell? What are their functions?Tue, 03 Feb 2026 17:47:01 GMThttps://ignou-notes.asarkar.dev/posts/the-science-behind-antigen-antibody-reactions-how-our-bodies-fight-infection/https://ignou-notes.asarkar.dev/posts/the-science-behind-antigen-antibody-reactions-how-our-bodies-fight-infection/The Science Behind Antigen-Antibody Reactions - How Our Bodies Fight InfectionTue, 03 Feb 2026 17:47:01 GMThttps://ignou-notes.asarkar.dev/posts/the-watson-and-crick-model-of-dna-a-comprehensive-guide-to-understanding-the-structure-of-life/https://ignou-notes.asarkar.dev/posts/the-watson-and-crick-model-of-dna-a-comprehensive-guide-to-understanding-the-structure-of-life/The Watson and Crick Model of DNA:A Comprehensive Guide to Understanding the Structure of LifeTue, 03 Feb 2026 17:47:01 GMThttps://ignou-notes.asarkar.dev/posts/write-a-short-note-on-human-security/https://ignou-notes.asarkar.dev/posts/write-a-short-note-on-human-security/Write a short note on Human SecurityTue, 03 Feb 2026 17:47:01 GMThttps://ignou-notes.asarkar.dev/posts/differentiate-between-xeropthalmia-and-keratomalacia-pufa-and-saturated-fat-food-law-and-food-standa/https://ignou-notes.asarkar.dev/posts/differentiate-between-xeropthalmia-and-keratomalacia-pufa-and-saturated-fat-food-law-and-food-standa/differentiate-between-xeropthalmia-keratomalacia-pufa-saturated-fat-food-law-food-standardsWed, 25 Jul 2018 19:23:28 GMThttps://ignou-notes.asarkar.dev/posts/important-point-keep-in-mind-while-selecting-meat-meat-products-fats-oils/https://ignou-notes.asarkar.dev/posts/important-point-keep-in-mind-while-selecting-meat-meat-products-fats-oils/Important point to keep in mind while selecting meat & meat products, fats & oilsWed, 25 Jul 2018 13:59:57 GMThttps://ignou-notes.asarkar.dev/posts/important-point-to-keep-in-mind-while-selecting-rice-and-wheat-fruits-milk-and-milk-product/https://ignou-notes.asarkar.dev/posts/important-point-to-keep-in-mind-while-selecting-rice-and-wheat-fruits-milk-and-milk-product/Important point to keep in mind while selecting rice & wheat, fruits, milk & milk productTue, 24 Jul 2018 13:59:57 GMThttps://ignou-notes.asarkar.dev/posts/functions-and-disorders-caused-by-the-deficiency-of-niacin-folic-acid-protein-riboflavin-vitamin-d/https://ignou-notes.asarkar.dev/posts/functions-and-disorders-caused-by-the-deficiency-of-niacin-folic-acid-protein-riboflavin-vitamin-d/Read the functions & disorders caused by the deficiency of the following: i) Niacin ii) Folic acid iii) Protein iv) Riboflavin v) Vitamin DTue, 24 Jul 2018 10:51:22 GMThttps://ignou-notes.asarkar.dev/posts/different-methods-used-for-assessment-of-nutritional-status/https://ignou-notes.asarkar.dev/posts/different-methods-used-for-assessment-of-nutritional-status/different methods & anthropometric measurements used for assessment of nutritional status. Methods-Clinical method, Diet survey, Biochemical assessmentMon, 23 Jul 2018 09:30:28 GMThttps://ignou-notes.asarkar.dev/posts/what-is-a-balanced-diet-list-the-steps-involved-in-preparing-a-balanced-diet/https://ignou-notes.asarkar.dev/posts/what-is-a-balanced-diet-list-the-steps-involved-in-preparing-a-balanced-diet/Understand what is a balanced diet and how to prepare a balanced diet ingeneral and for pregnant women?Mon, 23 Jul 2018 09:17:05 GMThttps://ignou-notes.asarkar.dev/posts/prepare-two-nutritious-snacks-for-a-child-attending-an-anganwadi-and-for-an-elderly/https://ignou-notes.asarkar.dev/posts/prepare-two-nutritious-snacks-for-a-child-attending-an-anganwadi-and-for-an-elderly/Prepare any two nutritious snacks - one for a child attending an anganwadi & second for an elderly.Mon, 23 Jul 2018 09:08:54 GMThttps://ignou-notes.asarkar.dev/posts/pregnancy-diet/https://ignou-notes.asarkar.dev/posts/pregnancy-diet/Read the activity carefully & record your result in the format provided. Submit for evaluation along with this assignmentMon, 23 Jul 2018 08:08:46 GMThttps://ignou-notes.asarkar.dev/posts/what-are-the-different-records-you-would-maintain-in-a-food-service-unit-enumerate/https://ignou-notes.asarkar.dev/posts/what-are-the-different-records-you-would-maintain-in-a-food-service-unit-enumerate/Record of sales & expenditure form an effective tool for reviewing the progress of a food service establishment.Mon, 23 Jul 2018 07:55:54 GMThttps://ignou-notes.asarkar.dev/posts/standardized-recipe-work-schedule-food-poisoning/https://ignou-notes.asarkar.dev/posts/standardized-recipe-work-schedule-food-poisoning/1. Standardized recipe 2. Work schedule 3. Adolescent growth spurt 4. Synergism 5. Food poisoning A standardized recipe refers to a particular standardMon, 23 Jul 2018 07:54:08 GMThttps://ignou-notes.asarkar.dev/posts/differentiate-between-enhancers-inhibitors-essential-non-essential-amino-acids/https://ignou-notes.asarkar.dev/posts/differentiate-between-enhancers-inhibitors-essential-non-essential-amino-acids/1. Enhancers & inhibitors 2. Essential & Non-essential amino-acids Enhancers: Nutrients can interact with one another or with other dietary componentsMon, 23 Jul 2018 07:38:52 GMThttps://ignou-notes.asarkar.dev/posts/meal-patterns-of-tripura/https://ignou-notes.asarkar.dev/posts/meal-patterns-of-tripura/Read meal patterns of Tripura, How many meals are taken in a day? Three meals are taken in a day. List the meals with their names & timing. i) Breakfast - 8 AM to 8:30 AMMon, 23 Jul 2018 06:42:49 GMThttps://ignou-notes.asarkar.dev/posts/relationship-between-nutrition-health-functions-and-food-sources-of-vitamin-a-and-calcium/https://ignou-notes.asarkar.dev/posts/relationship-between-nutrition-health-functions-and-food-sources-of-vitamin-a-and-calcium/read relationship between nutrition, health & nutritional status. Functions & food sources of vitamin a & calciumSat, 21 Jul 2018 08:43:41 GMThttps://ignou-notes.asarkar.dev/posts/nutrient-needs-of-adults-influence-by-activity-level/https://ignou-notes.asarkar.dev/posts/nutrient-needs-of-adults-influence-by-activity-level/the factors activity level, body size, age to influence the nutrient needs of adults. Activity levels play an important role in the case of adults both menSat, 21 Jul 2018 08:38:27 GMThttps://ignou-notes.asarkar.dev/posts/list-four-dietary-considerations-to-keep-in-mind-while-planning-meals-for-one-year-child-adolescent-/https://ignou-notes.asarkar.dev/posts/list-four-dietary-considerations-to-keep-in-mind-while-planning-meals-for-one-year-child-adolescent-/Read dietary considerations to keep in mind while planning meals for one year child & adolescent girlSat, 21 Jul 2018 08:33:07 GMThttps://ignou-notes.asarkar.dev/posts/objectives-components-of-mid-day-meal-programme-icds/https://ignou-notes.asarkar.dev/posts/objectives-components-of-mid-day-meal-programme-icds/The mid-day meal programme has both health & educational objectives. There are - i. To improve the nutritional status & the attentiveness of school childrenSat, 21 Jul 2018 08:25:47 GMThttps://ignou-notes.asarkar.dev/posts/home-scale-food-preservation-methods/https://ignou-notes.asarkar.dev/posts/home-scale-food-preservation-methods/all the process used for preserving food at home is based on the principles of preservation. The ones commonly used are preserving by dryingSat, 21 Jul 2018 08:14:58 GMThttps://ignou-notes.asarkar.dev/posts/briefly-discuss-the-dietary-modificationspreventive-measures-diabetes-mellitus-iron-deficiency-anaem/https://ignou-notes.asarkar.dev/posts/briefly-discuss-the-dietary-modificationspreventive-measures-diabetes-mellitus-iron-deficiency-anaem/Dietary modifications in diabetes mellitus are as follows- Regulations of the meals consumed in the essential.Sat, 21 Jul 2018 08:06:48 GMThttps://ignou-notes.asarkar.dev/posts/comparative-chart-of-function-of-all-plant-hormones-practical-applications-of-plant-hormones/https://ignou-notes.asarkar.dev/posts/comparative-chart-of-function-of-all-plant-hormones-practical-applications-of-plant-hormones/Functions of all the plant hormones (Auxins, Gibberellins, Cytokinins, Ethylene, Abscisic acid) - Gibberellin has pronounced effect on leaf growthWed, 30 Aug 2017 07:48:00 GMThttps://ignou-notes.asarkar.dev/posts/write-short-note-on-fenson-and-spanner-electroosmotic-flow-hypothesis/https://ignou-notes.asarkar.dev/posts/write-short-note-on-fenson-and-spanner-electroosmotic-flow-hypothesis/In electroosmosis, the ions flow across a membrane in response to an electrical gradient. Ions pull along water & other contents because of solvent dragWed, 30 Aug 2017 07:43:28 GMThttps://ignou-notes.asarkar.dev/posts/write-short-note-on-red-drop/https://ignou-notes.asarkar.dev/posts/write-short-note-on-red-drop/Emerson & Lewis (1943) measured quantum yield at different wavelengths of light. Quantum yield can be defined as a number of O2 molecules released per quantum of light absorbedWed, 30 Aug 2017 07:42:53 GMThttps://ignou-notes.asarkar.dev/posts/write-short-note-on-biological-responses-controlled-by-phytochrome/https://ignou-notes.asarkar.dev/posts/write-short-note-on-biological-responses-controlled-by-phytochrome/Phytochrome responses are those which are controlled reversibly by red & far-red light. Fast responses, Slow responsesWed, 30 Aug 2017 07:23:43 GMThttps://ignou-notes.asarkar.dev/posts/write-short-note-on-biological-clocks/https://ignou-notes.asarkar.dev/posts/write-short-note-on-biological-clocks/It is an aging clock & acts an age predictor that can be used to measure the age of most plant tissues, cell types or organsWed, 30 Aug 2017 07:21:51 GMThttps://ignou-notes.asarkar.dev/posts/active-transport-accross-plasma-membrane-in-plants/https://ignou-notes.asarkar.dev/posts/active-transport-accross-plasma-membrane-in-plants/The plant plasma membrane ATPase is a transmembrane protein. The enzyme exists in two conformations differing in catalytic & transport propertiesTue, 29 Aug 2017 08:23:32 GMThttps://ignou-notes.asarkar.dev/posts/stomatal-frequency-stomatal-index/https://ignou-notes.asarkar.dev/posts/stomatal-frequency-stomatal-index/Stomatal frequency is the number of stomata per unit area. Stomatal index is the ratio of a number of stomata to the total number of cells per unit area.Tue, 29 Aug 2017 08:13:12 GMThttps://ignou-notes.asarkar.dev/posts/discuss-why-photorespiration-is-called-necessary-evil/https://ignou-notes.asarkar.dev/posts/discuss-why-photorespiration-is-called-necessary-evil/Since photosynthesis has been evolving for millennia, it might be expected that the development of the machinery of carbon dioxide assimilation may have reached a stage perfectionTue, 29 Aug 2017 08:09:02 GMThttps://ignou-notes.asarkar.dev/posts/describe-electron-transport-pathway-through-photosystem-i-photosystem-ii-with-suitable-diagram/https://ignou-notes.asarkar.dev/posts/describe-electron-transport-pathway-through-photosystem-i-photosystem-ii-with-suitable-diagram/The transfer of electrons from H2O to NADPH is mediated by two separate photochemical reactions through two sets of pigment moleculesTue, 29 Aug 2017 08:04:05 GMThttps://ignou-notes.asarkar.dev/posts/define-osmosis-field-capacity-morphogenesis-vernalisation-overall-senescence/https://ignou-notes.asarkar.dev/posts/define-osmosis-field-capacity-morphogenesis-vernalisation-overall-senescence/Osmosis is a special case of diffusion that lead to the movement of water from a region of higher concentration to a region of lower concentration,Tue, 29 Aug 2017 05:55:40 GMThttps://ignou-notes.asarkar.dev/posts/short-note-on-regulation-of-kidney-function/https://ignou-notes.asarkar.dev/posts/short-note-on-regulation-of-kidney-function/Kidney function is regulated by renin angiotensin system. When the afferent arterial blood pressure is low, the stretch sensitive receptors of the arterioleMon, 28 Aug 2017 06:17:55 GMThttps://ignou-notes.asarkar.dev/posts/factors-responsible-for-deaths-due-to-heat/https://ignou-notes.asarkar.dev/posts/factors-responsible-for-deaths-due-to-heat/Degeneration of proteins, Thermal inactivation of enzymes, Inadequate oxygen supply, Temperature effects on membrane structureMon, 28 Aug 2017 06:07:15 GMThttps://ignou-notes.asarkar.dev/posts/write-short-note-on-modes-of-respiration-in-animals/https://ignou-notes.asarkar.dev/posts/write-short-note-on-modes-of-respiration-in-animals/The four basic categories of animal gas exchange mechanisms are diffusion through the body surface, gills, lungs & tracheaMon, 28 Aug 2017 06:05:05 GMThttps://ignou-notes.asarkar.dev/posts/write-short-note-on-effect-of-gastric-hormones/https://ignou-notes.asarkar.dev/posts/write-short-note-on-effect-of-gastric-hormones/Gastric hormones are secreted from the stomach known as gastrin. They stimulates gastric secretion motility, Promotes growth of gastric mucosaMon, 28 Aug 2017 06:01:04 GMThttps://ignou-notes.asarkar.dev/posts/nature-and-functions-of-estrogens-in-mammals-formation-and-secretion-of-amino-acid-based-hormones-wi/https://ignou-notes.asarkar.dev/posts/nature-and-functions-of-estrogens-in-mammals-formation-and-secretion-of-amino-acid-based-hormones-wi/The nature of estrogens is steroid. Function of estrogens to promote tissue growth. Formation & secretion of amino acid based hormonesSun, 27 Aug 2017 06:34:32 GMThttps://ignou-notes.asarkar.dev/posts/basic-functions-of-the-vertebrate-kidney/https://ignou-notes.asarkar.dev/posts/basic-functions-of-the-vertebrate-kidney/The three basic functions of the vertebrate kidney are (i) Filtration (ii) Reabsorption (iii) Secretion. Control of muscle contraction by calcium ionSun, 27 Aug 2017 06:24:38 GMThttps://ignou-notes.asarkar.dev/posts/blood-pressure/https://ignou-notes.asarkar.dev/posts/blood-pressure/What does Blood pressure mean? Process of Fluid transfer.Sat, 26 Aug 2017 06:58:32 GMThttps://ignou-notes.asarkar.dev/posts/define-anatomical-dead-space/https://ignou-notes.asarkar.dev/posts/define-anatomical-dead-space/Anatomical dead space is the total volume of the conducting airways from nose or mouth down to the level of the terminal bronchioles. The dead space volume is 150 cm^3.Sat, 26 Aug 2017 06:58:32 GMThttps://ignou-notes.asarkar.dev/posts/define-cardiact-output/https://ignou-notes.asarkar.dev/posts/define-cardiact-output/The volume of blood ejected from the heart per unit time is called cardiacSat, 26 Aug 2017 06:58:32 GMThttps://ignou-notes.asarkar.dev/posts/define-pheromones/https://ignou-notes.asarkar.dev/posts/define-pheromones/Anatomical dead space is the total volume of the conducting airways from nose or mouth down to the level of the terminal bronchioles. The dead space volume is 150 cm^3.Sat, 26 Aug 2017 06:58:32 GMThttps://ignou-notes.asarkar.dev/posts/parthenogenesis/https://ignou-notes.asarkar.dev/posts/parthenogenesis/Parthenogenesis is a type of reproduction in which development of an individual takes place from an egg or a sperm without the participation of a germ cell from the opposite sex.Sat, 26 Aug 2017 06:58:32 GMThttps://ignou-notes.asarkar.dev/posts/resting-potential-in-nerve-cell/https://ignou-notes.asarkar.dev/posts/resting-potential-in-nerve-cell/Resting potential in a nerve cellSat, 26 Aug 2017 06:58:32 GMThttps://ignou-notes.asarkar.dev/posts/what-does-an-oxygen-dissociation-curve-show-describe-the-method-of-glucose-absorption/https://ignou-notes.asarkar.dev/posts/what-does-an-oxygen-dissociation-curve-show-describe-the-method-of-glucose-absorption/The relationship of oxygen carrying capacity to surrounding oxygen concentration can be shown graphically by oxygen dissociation curvesSat, 26 Aug 2017 06:43:04 GMThttps://ignou-notes.asarkar.dev/posts/what-do-you-understand-by-the-term-fundamental-rights-as-given-in-our-constitution/https://ignou-notes.asarkar.dev/posts/what-do-you-understand-by-the-term-fundamental-rights-as-given-in-our-constitution/Right to equality, freedom, against exploitation, freedom of religion, cultural & educational, constitutional remediesFri, 25 Aug 2017 07:19:33 GMThttps://ignou-notes.asarkar.dev/posts/write-short-note-on-juvenile-justice-act/https://ignou-notes.asarkar.dev/posts/write-short-note-on-juvenile-justice-act/The Juvenile Justice (JJ) Act was launched in 1986 with a view to providing a uniform pattern of justice to the Juveniles throughout the length & breadth of the countryFri, 25 Aug 2017 07:16:23 GMThttps://ignou-notes.asarkar.dev/posts/write-short-note-on-family-as-a-social-institution/https://ignou-notes.asarkar.dev/posts/write-short-note-on-family-as-a-social-institution/A social institution is a set of rules & regulations which are part of an organization which fulfills an important function of society, such as, familyFri, 25 Aug 2017 07:12:59 GMThttps://ignou-notes.asarkar.dev/posts/mahatma-gandhis-role-in-the-national-movement/https://ignou-notes.asarkar.dev/posts/mahatma-gandhis-role-in-the-national-movement/Satyagraha, Non-cooperation movement (Asahayog Andolan), Civil disobedience movement (Dandi March), Quit India movementThu, 24 Aug 2017 07:41:54 GMThttps://ignou-notes.asarkar.dev/posts/what-do-you-understand-by-the-term-social-structure-discus/https://ignou-notes.asarkar.dev/posts/what-do-you-understand-by-the-term-social-structure-discus/Social structure is that enduring aspect of society which has a pattern & which is basically a set of rules that govern actual behavior.Thu, 24 Aug 2017 07:31:37 GMThttps://ignou-notes.asarkar.dev/posts/what-do-you-understand-by-the-term-renaissance-discuss/https://ignou-notes.asarkar.dev/posts/what-do-you-understand-by-the-term-renaissance-discuss/The term "Renaissance" means rebirth, in a narrow sense it is used to describe the revival of interest in the classical civilizations of Greece & Rome.Thu, 24 Aug 2017 07:28:42 GMThttps://ignou-notes.asarkar.dev/posts/what-do-you-understand-by-the-term-human-security-briefly-discuss/https://ignou-notes.asarkar.dev/posts/what-do-you-understand-by-the-term-human-security-briefly-discuss/Human security is an emerging paradigm for understanding global vulnerabilities whose proponents challenge the traditional notion of national securityThu, 24 Aug 2017 07:25:55 GMThttps://ignou-notes.asarkar.dev/posts/cambial-activity-in-the-stems-of-bignonia-and-aristolochia/https://ignou-notes.asarkar.dev/posts/cambial-activity-in-the-stems-of-bignonia-and-aristolochia/The variant cambial activity in the stems of Bignonia. In Bignonia & some other members of the Bignoniaceae family, the cambium produces secondary xylem & secondary phloem in different amountsMon, 29 May 2017 08:05:04 GMThttps://ignou-notes.asarkar.dev/posts/make-a-schematic-diagram-of-the-ontogeny-of-anther-wall-layers-and-microscope-mother-cells/https://ignou-notes.asarkar.dev/posts/make-a-schematic-diagram-of-the-ontogeny-of-anther-wall-layers-and-microscope-mother-cells/A young anther consists of a homogeneous mass of meristematic cells that are surrounded by an epidermis.Sat, 27 May 2017 08:23:15 GMThttps://ignou-notes.asarkar.dev/posts/from-given-blood-types-determine-which-baby-belongs-to-which-parents-also-give-reason/https://ignou-notes.asarkar.dev/posts/from-given-blood-types-determine-which-baby-belongs-to-which-parents-also-give-reason/For blood type, A & B are dominant alleles, & O is recessive to A & B. However, a person can have a phenotype of A, but a genotype of AO.Mon, 22 May 2017 08:09:22 GMThttps://ignou-notes.asarkar.dev/posts/determine-the-allelic-and-genotypic-frequencies-of-a-randomly-mating-laboratory-population-of-drosop/https://ignou-notes.asarkar.dev/posts/determine-the-allelic-and-genotypic-frequencies-of-a-randomly-mating-laboratory-population-of-drosop/Hardy-Weinberg equilibrium: p2+2pq+q2=1 & p+q=1, p = the freq of allele brown (B) q = the freq of allele black (b) p2 = the freq of dominant homozygous (BB)Mon, 22 May 2017 07:51:02 GMThttps://ignou-notes.asarkar.dev/posts/mars-has-several-features-that-are-similar-to-earth/https://ignou-notes.asarkar.dev/posts/mars-has-several-features-that-are-similar-to-earth/Mars has several features that are similar to earth-True. Nuclear wastes are biodegradable- FalseMon, 22 May 2017 07:48:51 GMThttps://ignou-notes.asarkar.dev/posts/the-tradition-and-social-functions-of-science/https://ignou-notes.asarkar.dev/posts/the-tradition-and-social-functions-of-science/Science, today have grown on a secular materialistic basis, drawing inspiration and principles from traditional science. Science & ideas, functions.Mon, 22 May 2017 07:46:22 GMThttps://ignou-notes.asarkar.dev/posts/detail-the-watson-crick-model-of-dna-structure-how-did-it-fit-in-the-data-provided-by-chargaff/https://ignou-notes.asarkar.dev/posts/detail-the-watson-crick-model-of-dna-structure-how-did-it-fit-in-the-data-provided-by-chargaff/The discovery of the double helix by James Watson & Francis Crick at Cambridge, in 1953, was one of the great deductive triumphs in the history of scienceMon, 22 May 2017 06:21:55 GMThttps://ignou-notes.asarkar.dev/posts/ultimate-fine-structure-mapping-of-a-gene-or-a-chromosome-how-it-impact-the-study-and-application-of/https://ignou-notes.asarkar.dev/posts/ultimate-fine-structure-mapping-of-a-gene-or-a-chromosome-how-it-impact-the-study-and-application-of/The ultimate fine structure mapping of a gene or chromosome, Information, Impact the study & application of geneticsMon, 22 May 2017 06:19:21 GMThttps://ignou-notes.asarkar.dev/posts/does-the-operon-concept-apply-to-eukaryotes-describe-a-suggested-mechanism-for-gene-regulation-in-eu/https://ignou-notes.asarkar.dev/posts/does-the-operon-concept-apply-to-eukaryotes-describe-a-suggested-mechanism-for-gene-regulation-in-eu/The operon system has proved not be applicable in eukaryotes. One of the most popular models of gene regulation in eukaryotes is the Davidson-Britten model.Mon, 22 May 2017 06:15:02 GMThttps://ignou-notes.asarkar.dev/posts/in-crosses-involving-given-traits-what-are-the-most-likely-parental-genotypes-of-drosophila/https://ignou-notes.asarkar.dev/posts/in-crosses-involving-given-traits-what-are-the-most-likely-parental-genotypes-of-drosophila/If we wish to know the genotype of the F1's & the F2's from a dihybrid cross, a test cross may be used.Mon, 22 May 2017 06:11:56 GMThttps://ignou-notes.asarkar.dev/posts/describe-with-appropriate-examples-the-role-of-environment-in-the-determination-of-sex/https://ignou-notes.asarkar.dev/posts/describe-with-appropriate-examples-the-role-of-environment-in-the-determination-of-sex/In some lower organisms, though the genetic determiners of the sex are present, the ambient environment plays a decisive role in the development of a particular sex type.Mon, 22 May 2017 06:07:29 GMThttps://ignou-notes.asarkar.dev/posts/write-short-notes-on-oncogenic-viruses-and-antigen-antibody-reactions/https://ignou-notes.asarkar.dev/posts/write-short-notes-on-oncogenic-viruses-and-antigen-antibody-reactions/Oncogenic viruses: Transformation by DNA & RNA viruses, Antigen-antibody reactions: Precipitin reaction, Agglutination reaction.Mon, 22 May 2017 06:07:24 GMThttps://ignou-notes.asarkar.dev/posts/using-diagrams-explain-the-holliday-model-for-the-molecular-mechanism-of-recombination/https://ignou-notes.asarkar.dev/posts/using-diagrams-explain-the-holliday-model-for-the-molecular-mechanism-of-recombination/Holliday model, One model for eukaryotic DNA recombination that survives was proposed by Robin Holliday in 1964.Mon, 22 May 2017 05:57:52 GMThttps://ignou-notes.asarkar.dev/posts/explain-with-clear-and-labelled-diagrams-the-ways-in-which-genes-can-be-transferred-in-bacteria/https://ignou-notes.asarkar.dev/posts/explain-with-clear-and-labelled-diagrams-the-ways-in-which-genes-can-be-transferred-in-bacteria/Three processes in bacteria can transfer the genetic material from one cell to another: (i) Transformation (ii) Conjugation (iii) TransductionSat, 13 May 2017 06:20:59 GMThttps://ignou-notes.asarkar.dev/posts/discuss-general-causes-of-congenital-defects-and-various-theories-of-cellular-aging/https://ignou-notes.asarkar.dev/posts/discuss-general-causes-of-congenital-defects-and-various-theories-of-cellular-aging/Causes of congenital defects : (i) Variation in chromosome morphology. Theories of cellular aging : Cellular senescence, DNA damage, Immunological theory of agingTue, 25 Apr 2017 06:44:45 GMThttps://ignou-notes.asarkar.dev/posts/explain-difference-between-instructive-and-permissive-interactions-mosaic-and-regulatory-embryos-rad/https://ignou-notes.asarkar.dev/posts/explain-difference-between-instructive-and-permissive-interactions-mosaic-and-regulatory-embryos-rad/Difference between: Instructive & permissive interactions, Mosaic & regulatory embryos, Radial & spiral cleavage, Regeneration & embryonic development.Tue, 25 Apr 2017 06:33:07 GMThttps://ignou-notes.asarkar.dev/posts/describe-the-stages-of-regeneration-of-salamander-limb-and-the-role-of-proto-oncogenes-in-the-induct/https://ignou-notes.asarkar.dev/posts/describe-the-stages-of-regeneration-of-salamander-limb-and-the-role-of-proto-oncogenes-in-the-induct/Salamanders (amphibians) have spectacular power of regeneration. Proto-oncogenes & their mutated versions that can cause cancer are called oncogenes.Fri, 07 Apr 2017 07:05:17 GMThttps://ignou-notes.asarkar.dev/posts/ecology-site/https://ignou-notes.asarkar.dev/posts/ecology-site/a) The branch of science that deals with the study of relationships between organism and the environment.b)satellite instruction television experiment.Sat, 01 Apr 2017 07:23:58 GMThttps://ignou-notes.asarkar.dev/posts/basic-process-of-oogenesis-animals-and-make-a-chart-to-classify-the-eggs-animals/https://ignou-notes.asarkar.dev/posts/basic-process-of-oogenesis-animals-and-make-a-chart-to-classify-the-eggs-animals/The basic process of oogenesis in animals with the help of suitable diagrams. Classify the eggs in animals on the basis of amount of yolk, location of yolk.Sat, 01 Apr 2017 07:10:55 GMThttps://ignou-notes.asarkar.dev/posts/role-of-morphogenetic-field-in-development-of-eye-role-of-prothoracic-gland-in-insect-metamorphosis/https://ignou-notes.asarkar.dev/posts/role-of-morphogenetic-field-in-development-of-eye-role-of-prothoracic-gland-in-insect-metamorphosis/Role of morphogenetic field in development of eye, The morphogenetic field of an organ may be defined as the sum total of properties of the cells of that region of the embryo from which the particular organ or structure will developFri, 31 Mar 2017 07:38:51 GMThttps://ignou-notes.asarkar.dev/posts/describe-cfu-m-l-stem-cells-in-mammals-test-for-genomic-equivalence/https://ignou-notes.asarkar.dev/posts/describe-cfu-m-l-stem-cells-in-mammals-test-for-genomic-equivalence/CFU-M, L stem cells in mammals, Experimental evidence indicates that in mammals all types of blood cells are derived ultimately from one type of stem cell called CFU-MFri, 31 Mar 2017 07:29:10 GMThttps://ignou-notes.asarkar.dev/posts/identify-the-correct-words-from-the-brackets/https://ignou-notes.asarkar.dev/posts/identify-the-correct-words-from-the-brackets/a) (Insulin / Penicillium) is a synthetically prepared antidiabetic drug.b)Two atomic bombs were dropped on Hiroshima and Nagasaki in the year (1945/ 1955)Fri, 31 Mar 2017 07:26:24 GMThttps://ignou-notes.asarkar.dev/posts/discuss-the-applications-of-plant-tissue-culture-in-agriculture-horticulture-industry/https://ignou-notes.asarkar.dev/posts/discuss-the-applications-of-plant-tissue-culture-in-agriculture-horticulture-industry/Plant tissue culture is an essential component of plant biotechnology. The possibility to regenerate whole plants from protoplasts, single cells, tissue & organs, in-vitro, has opened out entirely new approaches to plant improvementThu, 30 Mar 2017 07:47:55 GMThttps://ignou-notes.asarkar.dev/posts/what-have-we-come-to-know-about-the-nutrition-of-embryo-from-in-vivo-and-in-vitro-studies/https://ignou-notes.asarkar.dev/posts/what-have-we-come-to-know-about-the-nutrition-of-embryo-from-in-vivo-and-in-vitro-studies/The nutrition of embryo in vivo studies, The young proembryo derives its nutrition from ovular tissues with the help of suspensor.Tue, 28 Mar 2017 08:10:34 GMThttps://ignou-notes.asarkar.dev/posts/present-a-detailed-account-on-syngamy-triple-fusion/https://ignou-notes.asarkar.dev/posts/present-a-detailed-account-on-syngamy-triple-fusion/The ultimate destination of the pollen tube is to reach the female gametophyte & release the male gametes that can ensure fertilization.Mon, 27 Mar 2017 08:19:41 GMT