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Ask QuestionPosted by Sanchit Sachdeva 6 years, 9 months ago
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Posted by Dikshant Martolia 6 years, 9 months ago
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Gaurav Seth 6 years, 9 months ago
Lysosomes are cellular organelles that contain digestive enzymes that break down waste materials, foreign material and cellular debris. Lysosomes are capable of digesting nucleic acid, polysaccharides, fats, and proteins. Along with them lysosomes also digest or damage its own cells by its own enzymes, which lead to cell death. This process is called as autolysis. Hence lysosomes are also called as suicide bags
Posted by Rakesh Kumar 6 years, 9 months ago
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Gaurav Seth 6 years, 9 months ago
| Size | 0.5-3um | 2-100um |
| Kind of Cell | Single-cell | Multicellular |
| Cell Wall | Cell wall present, comprise of peptidoglycan or mucopeptide (polysaccharide). | Usually cell wall absent, if present (plant cells and fungus), comprises of cellulose (polysaccharide). |
| Presence of Nucleus | Well-defined nucleus is absent, rather 'nucleoid' is present which is an open region containing DNA. | A well-defined nucleus is present enclosed within nuclear memebrane. |
| Shape of DNA | Circular, double-stranded DNA. | Linear, double-stranded DNA. |
| Mitochondria | Absent | Present |
| Ribosome | 70S | 80S |
| Golgi Apparatus | Absent | Present |
| Endoplasmic Reticulum | Absent | Present |
| Mode of Reproduction | Asexual | Most commonly sexual |
| Cell Divison | Binary Fission, (conjugation, transformation, transduction) |
Mitosis |
| Lysosomes and Peroxisomes | Absent | Present |
| Chloroplast | (Absent) scattered in the cytoplasm. | Present in plants, algae. |
| Transcription and Translation | Occurs together. | Transcription occurs in nucleus and translation in cytosol. |
| Organelles | Organelles are not membrane bound, if present any. | Organelles are membrane bound and are specific in function. |
| Replication | Single origin of replication. | Multiple origins of replication. |
| Number of Chromosomes | Only one (not true called as a plasmid). | More than one. |
| Examples | Archaea, Bacteria. | Plants and Animals. |
Posted by Dolendra Sai 6 years, 9 months ago
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Rakesh Kumar 6 years, 9 months ago
Gaurav Seth 6 years, 9 months ago
A lubricant is a substance introduced between two moving surfaces to reduce friction between them. For example grease is applied between the moving parts of a machine.
Posted by Aarti Joshi 6 years, 9 months ago
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Sia ? 4 years, 7 months ago
Posted by Nikita Saraswat 6 years, 9 months ago
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Yogita Ingle 6 years, 9 months ago
Some artists wanted to develop a national style of art because they had rejected the art of Ravi Varma as imitative and westernised. According to them, it was unsuitable for depicting the nation’s ancient myths and legends.
They felt the need for a genuine Indian style of painting to draw inspiration from non-western art traditions, and try to capture the real spiritual essence of the East.
Posted by Harsh Shrivas 6 years, 9 months ago
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Posted by Mansuri Huzaif 6 years, 9 months ago
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Yogita Ingle 6 years, 9 months ago
1. Both plant cell and animal cell is Eukaryotic (with true nucleus or genetic material surrounded by a membrane).
2. Both plant cell and animal cell possess cell membrane or plasma membrane which regulates the movement of substances between the cell and the surroundings. (In animal cells, cell membrane is the outermost boundary where as in plant cell, cell membrane is present just inner to cell wall)
3. Both plant cell and animal cell possess a well defined nucleus and cytoplasm, where genetic material DNA is surrounded by a nuclear membrane.
4. Most of the organelles like nucleus, mitochondrion, Golgi apparatus, endoplasmic reticulum etc are present in both plant cell and animal cell.
5. In both plants and animals cells, DNA is double stranded and complexed with histone proteins and proteins are synthesized by ribosomes in the cytoplasm.
Kasak Chauhan 6 years, 9 months ago
Posted by Aishwarya Lakshmi 6 years, 6 months ago
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Sia ? 6 years, 6 months ago
Diameter of the road roller = 84 cm
{tex}\therefore{/tex} Radius (r) of the road roller {tex} = \frac{{84}}{2}{/tex}cm = 42 cm
Length (h) of the road roller = 1m = 100 cm
{tex}\therefore{/tex} Lateral surface area of the road roller {tex} = 2\pi rh{/tex}
{tex} = 2 \times \frac{{22}}{7} \times 42 \times 100{/tex}
= 26400 cm2
{tex}\therefore{/tex} Area of the road covered in 1 complete revolution = 26400 cm2
{tex}\therefore{/tex} Area of the road covered in 750 complete revolutions
= 26400 cm2 {tex}\times{/tex} 750 cm2
= 19800000 cm2
{tex} = \frac{{19800000}}{{100 \times 100}}{m^2}{/tex}
= 1980 m2
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Prince Verma 6 years, 9 months ago
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Gaurav Seth 6 years, 9 months ago
Nathuram Vinayak Godse (19 May 1910 – 15 November 1949) was a terrorist who assassinated Mahatma Gandhi in New Delhi on 30 January 1948. He shot Gandhi in the chest three times at point-blank range.
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