This observation can be explained by the theory of endosymbiosis. From what scientists have discovered, it can be explained that the double membrane of both chloroplast and mitochondria are as a result of them been subjected to phagocytosis but they were not digested. Their DNA suggest that they were once free living prokaryotes. This agree with the endosymbiosis theory which states that eukaryotic cell organelles developed from prokaryotic cells.
Cell stained light for the metaphase test and dark for the SDH, then we can classify the cell as an oxidative cell.
<h3>What is metaphase?</h3>
Metaphase, the second stage of mitosis, sees the chromosomes travel onto the spindle's equatorial plane.
<h3>What is the SDH test?</h3>
- Oxidative cell stains are dark for the SDH test and light for the metaphase test.
- SDH is an enzyme used in testing mainly to detect hepatocellular injury in cattle and horses.
- SDH enzyme is also detected in human tissues. The major sites where the SDH enzymes are found in humans are kidneys, seminal vesicles and kidneys.
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Answer:
There you have it. Jill's parents are IAi & IB
Explanation:
one brother: Type B, one of the parents must have the IB allele
other brother: Type A,
other parent must have the IA allele & have a genotype of IAi.
Jill's parents are IAi & IB
Answer:
Some plants have the ability to make the stamens mature first before the pistils to prevent itself from self-pollinating. ... If a situation as such would happen, there will be no pollen left in that flower to land on the stigma to start the fertilization of the plant.
Explanation:
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Answer:
he summer of 2001–2002 saw a mass bleaching event that was slightly more severe than the 1997–1998 event. The first signs of substantial bleaching were reported in January 2002, with the worst over by April.
In response, GBRMPA implemented the world's most comprehensive survey of coral bleaching in collaboration with AIMS, the Cooperative Research Centre for the Great Barrier Reef (CRC Reef) and the US National Oceanic and Atmospheric Administration (NOAA). Aerial surveys revealed bleaching in 54 per cent of the 641 reefs observed. Nearly 41 per cent of offshore and 72 per cent of inshore reefs had moderate or high levels of bleaching.
Again, reef recovery was generally good, with fewer than five per cent of the reefs suffering high mortality. The worst affected reefs were in the Bowen area where around 70 per cent of corals died.
Explanation:
