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3 years ago

Why is the archaea domain closer to eukarya than bacteria?

Biology

1 answer:

harkovskaia [24]3 years ago

4 0

Answer:

Archaea domain is closer to eukarya than bacteria because genetically they are more similar to Eukarya than Bacteria.

Explanation:

Options for this question are:

They both lack a nucleus and contain cytoplasm.
The unique functional adaptations of Archaea are more similar to Eukarya adaptations.
They both evolved in the same geological time period.
Genetically, the Archaea are more similar to Eukarya than Bacteria. 
They both have membrane-bound organelles.
Archaea is not closer to Eukarya because it contains prokaryotic cells just like Bacteria.

Archaea are unicellular prokaryotic organisms, which share many characteristics with bacteria, however, the existence of metabolic functions and genes similar to eukaryotic organisms suggest that there is a genetic link between the two. Even the enzymes responsible for genetic processing, such as transcriptases and translation enzymes, are similar to those in eukaryotic cells.

The theory that establishes the relationship between Archaea and Eukaryotic suggests the existence of a common ancestor, whose later evolution allowed an Archaea to join a protobacteria to form a eukaryotic cell, and hence their genetic relationship.

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Peat is a mixture of partially decomposed plant and animal material found in waterlogged, acidic, anaerobic environments. people

Verizon [17]

because the total time for restoration is lengthy, peat can be considered a fossil fuel. The correct option is B.

<h3>What exactly are fossil fuels?</h3>

Fossil fuels are fuels derived from the remains of dead plants and animals that decomposed over time under intense heat and pressure.

Because their replenishment time is longer than a human lifetime, fossil fuels are non-renewable energy sources.

Some examples of fossil fuels are petroleum, coal, etc.

The missing options of the question are:

peat is a fossil fuel because rewetting it takes only 3-5 years.
peat is a fossil fuel because the total time for restoration is lengthy.
peat is not a fossil fuel because it has biologic origins, making it a biofuel.
peat is not a fossil fuel because humans can promote the replenishment of peat.

The restoration process of peat takes a long time of more than 100 years. As a result, because the total time for restoration is lengthy, peat can be considered a fossil fuel.

Thus, the correct option is B.

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2 years ago

The cells in the retina (called rods and cones) that convert light energy into nerve energy are called ________.

Sloan [31]

Answer:

The cells in the retina (called rods and cones) that convert light energy into nerve energy are called photo-receptor cells.

Explanation:

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Epithelia are classified by the number of cell layers and the ____________________ of the cells.

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ValentinkaMS [17]

Answer:

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Anatomy of the liver: an outline with three levels of complexity--a further step towards tailored territorial liver resections.

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Depending on the purpose for which the description is needed, there are three various levels of complexity at which the vascular architecture of the liver might be described:

The first level, known as the conventional level, is equivalent to Couinaud's classic 8-segment scheme and serves as a common language for doctors from other disciplines to define the location of localized hepatic lesions.
The true branching of the hepatic veins and the main portal pedicles is taken into consideration in the second, surgical level, which will be used for anatomical liver resections and transplantations. Modern surgical and radiological procedures may fully exploit this anatomy, but doing so involves acknowledging that the Couinaud scheme is oversimplified and examining the vascular architecture objectively.
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