The correct answer is option D, that is, mitochondria and chloroplasts.
Mitochondria and chloroplasts are the two organelles witnessed in the eukaryotic cells. The majority of eukaryotic cells exhibit mitochondria, while chloroplasts are only found in plants.
Apart from the nucleus, mitochondria and chloroplasts are the only organelles that comprise their own genetic material. They both possess their own DNA, and therefore, both the organelles utilize their own DNA to generate various enzymes and proteins needed for their normal functioning.
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:
4
Explanation:
If one cell divides three times there will be three new cells, divides two times there will be three cells, divides one time there will be two cells so the answer is 4
Positive feedback cycles always increase the response. Negative feedback cycles always decrease the response.
Positive and negative feedback mechanisms always work in antagonistic fashion to maintain a homeostatic balance of a parameter such as temperatures or pH in the body. Positive feedback is akin to a gas pedal while negative feedback is akin to a brake and reverse pedal.
Explanation:
An example of a parameter is blood sugar levels. Glucagon is a hormone responsible for positive feedback since it increases blood sugars when levels are low. Insulin, however, is a negative feedback hormone that reduces blood sugars levels when they are elevated. These two work antagonistically to maintain the right sugar levels in the blood.
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