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Ask QuestionPosted by Hritik Gupta 7 years, 3 months ago
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Kaavya Singh 7 years, 3 months ago
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Yakshi ? 7 years, 3 months ago
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Gaurav Seth 7 years, 3 months ago
Osmolarity is a unit which is used to measure solute concentration. It is also referred as osmotic concentration. Osmolarity is measured in the terms of osmoles of solute present in one liter of solution (Osm/L). Thus, it tells about osmotic pressure contributed by number of moles of a compound of a solution.
Posted by Vivek Yadav 7 years, 3 months ago
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Yakshi ? 7 years, 3 months ago
Posted by Manika Gupta 7 years, 3 months ago
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Yogita Ingle 7 years, 3 months ago
Glycolysis is the primary stage of cellular respiration that happens when the form of sugar molecules breaks to release energy. Glucose is the most common form of sugar, from which the term glycolysis originates. The metabolic pathway helps in breaking and converting one molecule of glucose- C6H12O6 into two molecules of pyruvate – CH3COCOO− + H+. The total amount of energy, released in the glycolysis process is used to produce energy molecules called ATP (Adenosine triphosphate) along with reduced NADH (nicotinamide adenine dinucleotide).
Posted by Studying Kid 7 years, 3 months ago
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Gaurav Seth 7 years, 3 months ago
Meiosis involves two sequential cycles of nuclear and cell division, but only a single cycle of DNA replication. Meiosis is divided into meiosis I and meiosis II.
- Meiosis I begins after the S phase, and meiosis II follows meiosis I.
- Pairing of homologous chromosomes happens during meiosis which results in recombination of genes.
- Four haploid daughter cells are formed at the end of meiosis.
| Prophase I | Prophase II |
| Metaphase I | Metaphase II |
| Anaphase I | Anaphase II |
| Telophase I | Telophase II |
Yogita Ingle 7 years, 3 months ago
Meiosis involves two sequential cycles of nuclear and cell division, but only a single cycle of DNA replication. Meiosis is divided into meiosis I and meiosis II.
- Meiosis I begins after the S phase, and meiosis II follows meiosis I.
- Pairing of homologous chromosomes happens during meiosis which results in recombination of genes.
- Four haploid daughter cells are formed at the end of meiosis.
Posted by Dansreeka Nagarajan 7 years, 3 months ago
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Smriti Shikha 7 years, 3 months ago
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Posted by Dakshita Jain? 7 years, 3 months ago
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Yogita Ingle 7 years, 3 months ago
Hydroponics is the technique of growing plants with their roots immersed in the nutrient solution without soil. It is useful in areas having infertile and dry soils. It is useful to cultivate plants in the areas deficient in one or more nutrient.
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Smriti Shikha 7 years, 3 months ago
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Yogita Ingle 7 years, 3 months ago
Transpiration pull or the suction force is the force which aids in drawing the water upward from roots to leaves. In leaves, some amount of water is used for photosynthesis and excess water is released into atmosphere through openings called as stomata.
Posted by Aman Verma 7 years, 3 months ago
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Yogita Ingle 7 years, 3 months ago
Middle lamella is the outermost layer of cell wall shared by adjacent plant cells that glues them together. It is composed of polysaccharides called pectins.
The middle lamella is cementing layer between the cells. It is made up of Ca and Mg pectates. The basic chemical unit of pectin is galacturonic acid, which has the capability of salt formation with calcium and magnesium (an acid-base reaction).
Priya # 7 years, 3 months ago
Posted by Aman Verma 7 years, 3 months ago
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Yogita Ingle 7 years, 3 months ago
Lysosomes can be termed as waste disposal system of the cell. For almost all type of organic materials they contain digestive enzymes. For example, when cell gets damaged, lysosome may burst and the enzymes digest their own cell. Therefore lysosomes are known as the Suicidal bags of a cell or we can say that they posses different kind of hydrolases on release of these enzymes that cause death of cell.
Priya # 7 years, 3 months ago
Posted by Aman Verma 7 years, 3 months ago
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Yogita Ingle 7 years, 3 months ago
Dark reaction is also called carbon-fixing reaction. It is a light-independent process in which sugar molecules are formed from the carbon dioxide and water molecules. This reaction occurs in the stroma of the chloroplast where they utilize the products of the light reaction. Plants capture the carbon dioxide from the atmosphere through stomata and proceed to the Calvin cycle. In the Calvin cycle, the ATP and NADPH formed during light reaction drives the reaction and convert 6 molecules of carbon dioxide into one sugar molecule i.e. glucose.
Posted by Krishna Singh 7 years, 3 months ago
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Smriti Shikha 7 years, 3 months ago
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Gaurav Seth 7 years, 3 months ago
|
Micronutrients |
Macronutrients |
|
Required in minute quantities. |
Required in large quantities. |
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Play a pivotal role in disease prevention. |
Play a pivotal role in providing energy. |
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Deficiency of micronutrients can cause Anaemia, Scurvy, Goitre, etc. |
Deficiency of macronutrients can cause protein-energy malnutrition, Kwashiorkor, marasmus, etc. |
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Excessive intake of Vitamins harms the liver, mild nerve damage, etc. |
Excessive intake of macronutrients results in cardiovascular disease, obesity, diabetes, etc. |
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Antioxidants, Minerals, and Vitamins are examples of macronutrients. |
Proteins, fiber, carbohydrates, and fats are examples of micronutrients. |
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Micronutrients are mainly obtained from vegetables, fruits, cashews, eggs, all dairy products, etc. |
Macronutrients are mainly obtained from legumes, beans, pulses, soy, tofu, cereals, potatoes, fish as nuts, oilseeds, milk, cheese, etc. |
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Their concentration is less than 1mg/gm. |
Their concentration is equal to 1 mg or 1000 microgram. |
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Are found in a minute quantity in plants products. |
Are found abundantly in all plants products. |
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They are trace elements. |
They are major elements. |
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All micronutrients are minerals. |
Includes both minerals and non-minerals. |
Posted by Subhi ? 7 years, 3 months ago
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Smriti Shikha 7 years, 3 months ago
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Yogita Ingle 7 years, 3 months ago
Prosenchyma: In some cases the parenchymatous cell become long and taper at either end such tissues is called prosenchyma. The cells of this parenchyma are long with pointed ends. This parenchyma forms the pericyle of roots. It comprises loosely woven hyphae lying almost parallel to each other.
Posted by Subhi ? 7 years, 3 months ago
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Deepu Yadav 7 years, 3 months ago
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Yogita Ingle 7 years, 3 months ago
Vacuoles are important plant organelles which help in osmoregulation. Hence some ions are actively concentrated to maintain their balance and the fluidity of the cytoplasm. Giardia lamblia is a protozoan parasite with two unequal nuclei in its cell.
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