its the study of living things and living organisms
About 95% of the time down syndrome is caused by “trisomy 21.”the person has three copies of chromosome 21, instead of the usual two copies, in all cells. This is caused by abnormal cell division during the development of the sperm cell or the egg cell.
Answer:
Lysosome
Explanation:
The lysosome is surrounded by a single membrane. This membrane made up of lipoproteins. The lysosome is also known as a suicidal bag. This is meant for the digestion of injured cells. The acidic enzymes present in it helps in cell lysis. The cytoplasm burst due to osmotic swelling. If a single lysosome will burst in the cell it won't affect the cell. When several lysosome bursts together it can rupture other cellular organelles. It is fatal for a cell.
Answer:
It maintains genetic variability in a species.
Explanation:
Answer:
Carbon is also found in the atmosphere where it's a part of carbon dioxide gas emitted when fossil fuels are burned and when living organisms breathe. It's in organic matter in the soil, and it's in rocks. But far and away the most carbon on Earth is stored in a surprising place: the ocean.
Explanation: