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balu736 [363]
2 years ago
11

Which organism would the researchers most likely predict to be the most distantly related to eukaryotes?.

Biology
1 answer:
Marizza181 [45]2 years ago
7 0

Answer:

Organism I (circular chromosomes)

Explanation:

I can eliminate organisms II, III, and IV because these organisms have linear chromosomes therefore making it the most closely related to eukaryotes because they consist of linear chromosomes. My only other choice would be organism I, and since it has circular chromosomes we can conclude that this is the most distantly related to eukaryotes.

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Why can polyploidy individuals lead to speciation fairly quickly?
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In species with polyploid, there are more chromosomal sets than in diploid one. Becouse there are more chromosomal structures available,  events like mutation, recombination, DNA lose, are more probable to occur.

As the generations pass, the accumulation of these changes tend polyploid to speciation.

8 0
3 years ago
Compared to humans, elephants have a dramatically low instance of cancer. Elephants have multiple copies of the
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Elephants have multiple copies of the p53 genes that play an important role in the control of cell division.

<h3>What is the role of p53 genes in elephants?</h3>

P53 is an important regulator of the DNA repair processes and controls uncontrolled cell proliferation. When DNA is harmed, the protein becomes active and aids in orchestrating a response that stops DNA replication and fixes any incorrect copies of the cell. The oncogene MDM2 E3 ubiquitin ligase, another protein, is responsible for deactivating the p53 repair activity in duplicated cells with intact DNA since it is not required.

A human with only two alleles from a single gene has much fewer molecular anti-cancer interactions than an elephant, which has 40 alleles, or versions, from its twenty p53 genes. Although the elephant may appear to have excessive genetic diversity, each of its 40 alleles is structurally slightly different.

I understand the question you are looking for is this:

Compared to humans, elephants have a dramatically low instance of cancer. Elephants have multiple copies of the _____ genes that play an important role in the control of cell division.

Learn more about p53 genes here:

brainly.com/question/19581609

#SPJ4

6 0
2 years ago
A client recently diagnosed with diabetes mellitus requiring insulin tells the clinic nurse that he is traveling by air througho
Nataly [62]
Nurse should tell patient to note any time changes and compensate meds to time change, also to check blood glucose at least 4 x a day or more.
6 0
3 years ago
Freshwater biomes have _______.
AnnZ [28]

The right option is; c. a salinity of less than 1%

Freshwater biomes have a salinity of less than 1%

The freshwater biome is a large community of plant and animals that live in water bodies with a salinity of less than 1%. Fresh water biomes include streams, rivers, ponds, lakes, and some wetlands. The fresh water biomes cover about 20% of the earth and they contain several species of fish and animals such as frogs, crocodiles and turtles.


8 0
2 years ago
Read 2 more answers
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