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Fofino [41]
3 years ago
15

One way that archaea are more similar to eukaryotes than to eubacteria is that Please choose the correct answer from the followi

ng choices, and then select the submit answer button. Answer choices
both archaea and eukaryotes possess histone proteins that complex with DNA.
A. both archaea and eukaryotes contain a nucleus that separates the DNA from other cellular contents.
B. both archaea and eukaryotes exist as primarily unicellular organisms.
C. both archaea and eukaryotes have multiple, linear chromosomes.
D. both archaea and eukaryotes have circular chromosomes.
Biology
1 answer:
Alexus [3.1K]3 years ago
6 0

Answer:

Both archaea and eukaryotes possess histone proteins that complex with DNA.

Explanation:

The domain Archaea includes the prokaryotes mostly found in extreme climatic conditions such as hot springs, hydrothermal vents, etc.

The archaeans are prokaryotes like bacteria and do not have membrane-bound organelles and nucleus. However, like eukaryotes, the archaeans have histone proteins.

Histone proteins are the DNA packaging proteins present in eukaryotes. Histones make scaffold to pack the long chains on DNA into chromatin. The presence of histone proteins makes the archaeans similar to the eukaryotes.

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Answer: colostomy

Explanation:

Colostomy is a surgical procedure which is used to remove waste or feces from the body when the body is incapable of expelling out the waste. A stoma is the opening either created surgically or naturally present. It is the opening in the large intestine it allows the removal of the feces out of the body. The feces is drain through the rectum into the pouch of the collection device.

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3 years ago
Yellowstone National Park has an average of about 4500 bison living in it. The park covers 3472 square miles. What is the popula
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It would be A) 1.3 Bison/mi
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Imagine that a mutation in DNA produces a protein with a slightly different amino acid sequence. how would this mutation affect
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Answer:

It would most likely render the protein nonfunctional or mis-functional.

The mutation could result in three outcomes:

  1. Silent mutation, which changes the codon to the same amino acid. (AAA->AAG, both are lysine). But since the problem specified that it has a "slightly different amino acid sequence," we can assume this doesn't happen.
  2. Nonsense mutation, which changes a codon to a stop codon. This would end the chain of amino acids, making the protein potentially nonfunctional.
  3. Missense mutation, which changes a codon to another completely different codon. This can be harmful, as in sickle-cell disease, where just one amino acid, glutamic acid, is changed to valine.

6 0
3 years ago
Parland’s alligator population has been declining in recent years, primarily because of hunting. Alligators prey heavily on a sp
IRISSAK [1]

Answer:

(C) The main predator of these fish is another species of fish on which alligators also prey.

Explanation:

The ecosystems are complex systems, and removing one species of them, always has a chain reaction and affects the population of the other species, be it in a positive or negative manner. In this case, the alligators prey upon fish, multiple different species. The alligators though have been removed from the ecosystem, thus the apex predator exists no more. This has opened up the top predator niche in the food chain in this particular ecosystem. The predatory fish species had no predators of its own, so its population increased, thus it needed more food, and that food was obtained by hunting the other fish species, resulting in a decline in the population of the other species of fish. Only when the carrying capacity is reached in the ecosystem for the predatory fish, the population of the other fish will stop declining.

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How does conservation affect biodiversity
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Biodiversity is the numerous amounts of species habitated in our earth. The more biodiversity, the better.

Conservation protects biodiveristy, thus, allowing more species to survive and thrive.
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3 years ago
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