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Posted by ꧁༺★King K. Tyagi Ji}★༺꧂ ??? 5 years, 7 months ago
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Aanchal Bodh 5 years, 7 months ago
Dhruv .. 5 years, 7 months ago
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Meghna Thapar 5 years, 6 months ago
Cytoskeleton is the network of protein filaments and microtubules in the cytoplasm that controls cell shape, maintains intracellular organization, and is involved in cell movement. Through a series of intercellular proteins, the cytoskeleton gives a cell its shape, offers support, and facilitates movement through three main components: microfilaments, intermediate filaments, and microtubules.
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Aanchal Bodh 5 years, 7 months ago
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Yogita Ingle 5 years, 7 months ago
Humans have 23 pairs of chromosomes. Out of these 23 pairs, 22 pairs are Autosomes and only one pair is the ‘*** Chromosome’, which actively takes part in the process of *** determination.
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Yogita Ingle 5 years, 7 months ago
Planck’s quantum theory:
According to this theory:
- Energy emitted or absorbed is not continuous, but is in the form of packets called quanta .In terms of light it is called as photon.
- Each photon carries an energy which is directly proportional to the frequency of wavelength i.e. E depends upon v (nu).
- Or E=hv (where v is frequency)
- Value of h =6.634 x 10-34Jsec
- Energy associated with no of packets is given by:
E=nhv (where n is an integral multiple)
This formula can also be written as:
E = (nhc)/ (λ)
(Because we know frequency=speed of light/wavelength)
V = (c/ λ)
Posted by Durga Devi Sigdel 5 years, 7 months ago
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Meghna Thapar 5 years, 7 months ago
Oxidant is a substance that has the ability to oxidize other substances , to cause them to lose electrons. Thus, in the reaction, the reductant or reducing agent loses electrons and is oxidized, and the oxidant or oxidizing agent gains electrons and is reduced.So to identify an oxidizing agent, simply look at the oxidation number of an atom before and after the reaction. If the oxidation number is greater in the product, then it lost electrons and the substance was oxidized. If the oxidation number is less, then it gained electrons and was reduced.
Posted by Harmen Kaur 5 years, 7 months ago
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Meghna Thapar 5 years, 7 months ago
Physical Education (PE for short) is a physical subject that is taught in school. Students do many different sports, exercises, and activities using their body. It is also necessary to educate population in the field of healthy and smart ways to stay active.
Physical education in high school is essential to the development of motor skills and the enhancement of reflexes. Hand-eye coordination is improved, as well as good body movements, which helps in the development of a healthy body posture. Physical education teaches students the importance of physical health.
Four objectives of physical education are improved physical fitness, appreciation of physical activity, sportsmanship development and improved social skills. More objectives of physical education include body awareness, skill development and personality development.
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Nawal Kishore Jha 5 years, 7 months ago
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Aanchal Bodh 5 years, 7 months ago
1Thank You