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Morgarella [4.7K]
3 years ago
6

PLS HELP

Biology
2 answers:
Nana76 [90]3 years ago
6 0
The mitochondrion is the remnant of an ancient, symbiotic bacterium which colonised eukaryote cells. All multi-cellular life forms have them. In some organisms the DNA that codes for the mitochondrion has been moved into the nucleus and become part of the DNA of the host cell, but in vertebrates the mitochondria keep their own DNA inside themselves.
2.3K viewsView upvotes

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Related Questions (More Answers Below)
natulia [17]3 years ago
5 0

AnswerAll multi-cellular life forms have them. In some organisms the DNA that codes for the mitochondrion has been moved into the nucleus and become part of the DNA of the host cell, but in vertebrates the mitochondria keep their own DNA inside themselves.

Explanation:

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In meiosis, recombination occurs_________.
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d.during only prophase I and involves exchange between chromatids of homologous chromosomes.

Explanation:

Crossing over is the event that occurs during the pachytene stage of prophase I of meiosis I and results in the formation of new gene combinations, that is, recombination. During pachytene of prophase I, the synapsed homologous chromosomes exchange the genetic segments between them.

To facilitate recombination, synaptonemal complex assists in pairing the homologous chromosomes together during the zygotene stage of prophase I. Zygotene is followed by pachytene. A cut in two non-sister chromatids of a homologous pair, exchange of the broken segments followed by ligation results in recombination. Prophase II does not include crossing over.

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Which chemical bond is most common in living things? a. ionic bond b. metallic bond C. covalent bond d. hydrogen bond​
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What is the density of a liquid with a mass of 17.4 g and a volume of 20 mL?
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<h3>What is meant by "foodborne disease"?</h3>

Foodborne illness is brought on by consuming contaminated foods or beverages. Foodborne infections can result from a wide variety of pathogens or disease-causing germs contaminating foods. Foodborne illnesses are typically caused by bacterial, viral, and parasite infections.

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Foodborne illness causes

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To learn more about foodborne illnesses visit:

brainly.com/question/24477516

#SPJ4

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