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Meghna Thapar 4 years, 5 months ago
The Krebs cycle (named after Hans Krebs) is a part of cellular respiration. Its other names are the citric acidity cycle, and the tricarboxylic acid cycle (TCA cycle). ... The Krebs cycle comes after the link reaction and provides the hydrogen and electrons needed for the electron transport chain. The main function of the Krebs cycle is to produce electron carriers that can be used in the last step of cellular respiration. The citric acid cycle, also known as the Krebs cycle or the tricarboxylic acid cycle, is at the center of cellular metabolism, playing a starring role in both the process of energy production and biosynthesis. It finishes the sugar-breaking job started in glycolysis and fuels the production of ATP in the process.
Posted by Aditi Thakur 4 years, 9 months ago
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Inderjit Singh 4 years, 9 months ago
Yogita Ingle 4 years, 9 months ago
Photorespiration is the wasteful process because, it prevent plant from using their ATP and NADPH to synthesize carbohydrates.rubisco the enzymes which fixer CO2 during for O2 fixation during photorespiration.
Posted by Young Boy 4 years, 9 months ago
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Yogita Ingle 4 years, 9 months ago
The mucosa of stomach has gastric glands. Gastric glands have three major types of cells namely
(i) mucus neck cells which secrete mucus;
(ii) peptic or chief cells which secrete the proenzyme pepsinogen; and
(iii) parietal or oxyntic cells which secrete HC1 and intrinsic factor (factor essential for absorption of vitamin B12).
Posted by Manasvi Joshi 4 years, 9 months ago
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Meghna Thapar 4 years, 5 months ago
All surfaces of the leaf have some amount of stomata for regulating gas exchange for photosynthesis. However, the lower epidermis (the underside of the leaf) has more, because it is more often in the shade and so it is cooler, which means evaporation won't take place as much. Dicot leaves are also called as dorsiventral leaves because they possess distinct dorsal and ventral sides. Monocot leaves are called isobilateral leaves since both the sides of monocot leaves are more or less similar.
Posted by Rishu Pandey 4 years, 9 months ago
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Meghna Thapar 4 years, 5 months ago
The kidneys filter unwanted substances from the blood and produce urine to excrete them. There are three main steps of urine formation: glomerular filtration, reabsorption, and secretion. These processes ensure that only waste and excess water are removed from the body. Urine is one of the body's waste products. It is primarily composed of water and urea. Urea is a special nitrogenous waste compound that the body must routinely remove. Urine formation occurs in the kidney in three stages: filtration, reabsorption, and secretion. Formation of urine is a process important for the whole organism. Not only acid-base balance is modulated by it, but also blood osmolarity, plasma composition and fluid volume, and thus it influences all cells in our body.
Posted by Anil Mehta 4 years, 9 months ago
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Meghna Thapar 4 years, 5 months ago
Transamination is the process by which amino groups are removed from amino acids and transferred to acceptor keto-acids to generate the amino acid version of the keto-acid and the keto-acid version of the original amino acid. Transamination, a chemical reaction that transfers an amino group to a ketoacid to form new amino acids. This pathway is responsible for the deamination of most amino acids. Transamination in biochemistry is accomplished by enzymes called transaminases or aminotransferases. Transamination takes place in the cytoplasm.
Posted by Asish Sadangi 4 years, 9 months ago
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Meghna Thapar 4 years, 8 months ago
The definition of metagenesis is the reproduction cycle of an organism that alternates between sexual and asexual generations. An example of metagenesis is the reproduction cycle of a cnidarian.
Coelenterates exhibits metagenesis (e.g., Obelia) where polyp form alternates with medusa in its life cycle.
Posted by Daksh Nathawat 4 years, 9 months ago
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Gaurav Seth 4 years, 9 months ago
Name of organism
Phylum
1
Taenia solium (Tape worm)
Platyhelminthes
2
Fasciola hepatica(Blood worm)
Platyhelminthes
3
Ascaris lumbricoides(Round worm)
Aschelminthes
4
Wuchereria bancrofti (Filarial worm)
Aschelminthes
5
Ancyclostoma (Hook worm)
Aschelminthes
Posted by Rishabh Raidas 4 years, 9 months ago
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Gaurav Seth 4 years, 9 months ago
Choanocytes (also known as "collar cells") are cells that line the interior of asconoid, syconoid and leuconoid body type sponges that contain a central flagellum, or undulipodia, surrounded by a collar of microvilli which are connected by a thin membrane.
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Dhimoleji Presentation 4 years, 9 months ago
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There Is No God . 4 years, 9 months ago
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Dhimoleji Presentation 4 years, 9 months ago
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Meghna Thapar 4 years, 8 months ago
| Intracellular Digestion | Extracellular Digestion |
|
1. Digestion takes place inside a food vacuole of the cell. 2. Digested food diffuses into the cytoplasm. 3. Less efficient 4. No regional differentiation. 5. Found in unicellular organisms. |
Digestion takes place in the alimentary canal, outside the cell. Digested food is absorbed into the cell. More efficient. Digestive system is made up of different regions. 5. Found in multicellular organisms. |
Posted by Alka Vaghela 4 years, 9 months ago
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Meghna Thapar 4 years, 8 months ago
Abscisic acid (ABA) is a plant hormone that regulates seed dormancy and germination. Seeds undergo changes in both ABA content and sensitivity during seed development and germination in response to internal and external cues. Germination is regulated by a pigment, phytochrome, which is sensitive to different wavelenghts of light. When far red light is receive the phytochrome equilibrium changes towards the red light absorbing form.
Posted by Ishu Chourasia 4 years, 9 months ago
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Meghna Thapar 4 years, 8 months ago
A virus is an infectious particle that reproduces by "commandeering" a host cell and using its machinery to make more viruses. A virus is made up of a DNA or RNA genome inside a protein shell called a capsid. Viruses reproduce by infecting their host cells and reprogramming them to become virus-making "factories."
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Sunita Choudhary 4 years, 7 months ago
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