BIOLOGY MIDDLE SCHOOL

EsThe process of transcription and splicing of mRNA is shown above. What statement accurately describes these two steps?
Transcription and splicing only occur in eukaryotic cells. Transcription and
splicing both occur in the nucleus.
Transcription and splicing only occur in prokaryotic cells. Transcription and
splicing both occur in the cytosol.
Transcription occurs only in prokaryotic cells in the cytosol white splicing
occurs only in eukaryotic cell sin the nucleus.
Transcription and splicing only occur in eukaryotic cells. Transcription
occurs in the nucleus while splicing occurs in the cytosol.

Answers

Answer 1
Answer:

Answer:

The correct answer is "Transcription occurs only in prokaryotic cells in the cytosol white splicing occurs only in eukaryotic cell in the nucleus".

Explanation:

Prokaryotic cells and eukaryotic cells could be differentiated by the site at which transcription occurs (the synthesis of mRNA from a DNA template). In prokaryotic cells transcription occurs in the cytosol, while in eukaryotic cells transcription occurs in the nucleus. This is easy to remember since prokaryotic cells do not have a nucleus. Also, splicing occurs only in eukaryotic cells in the nucleus. Splicing is the removal of the non coding regions of mRNA (introns), which happens frequently in eukaryotic cells and in prokaryotic cells is a very rare event.
Answer 2
Answer:

Answer:

Transcription only occur in eukaryotic cells. Transcription and slicing both occur in the nucleus.

Explanation:

Transcription and splicing only occur in eukaryotic cells. Transcription and splicing both occur in the nucleus. Splicing of exons and intron removal is strictly a eukaryotic phenomenon. Prokaryotic genomes are smaller and do not contain introns. Both of these processes occur in the nucleus.

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How are continental glaciers and valley glaciers different?

Answers

Valley glaciers= found in mountainous regions, and move down mountain ridges 

continental glaciers= found on flat surfaces in polar regions. continental and move out into the sea.

Your answer is..

Explanation:

Continental glaciers flow in all directions as they move, while valley glaciers move down slopes already cut by rivers. Valley glaciers cover much of a continent, while continental glaciers cover a small area of mountains.

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Which of the following is true of oceanic plates?*They are perfectly flat and smooth.
*They formed before other types of plates.
*They are heavier than continental plates.
*They move more often than continental plates.

Answers

Answer:

Option (3)

Explanation:

Earth's crust is divided into two types, namely the oceanic crust (plate) and the continental crust (plate). These plates move over the layer of the asthenosphere due to the convection current that generates in the mantle.

These oceanic plates are denser (heavier) than the continental plates because oceanic plates are comprised mainly of denser basaltic rocks that are rich in plagioclase feldspar and pyroxenes. When magma comes out at the mid-oceanic ridge on the ocean floor it forms lava.

Whereas continental plates are made up of silicate rocks, granitic rocks, and some feldspars and are less denser in comparison to the oceanic rocks.

Thus, the correct answer is option (3).

Explanation:

oceanic plates are heavier then other plates

4. An uncut lawn becomes a meadow and eventually a forest. This process is an example 01 _a. symbiosis
c. carrying capacity
b. succession

Answers

The answer to this no other than none of the above

The broad, slightly dome-shaped volcanoes of Hawaii are ____.1.cinder cone volcanoes

2.composite cone volcanoes

3.shield volcanoes

4.pyroclastic volcanoes

Answers

Answer:

Shield volcanoes.

Explanation:

Hawaiian volcanoes are the types of vulcanos known as shield vulcanos. Their shape is slightly dome, it is like an inverted shield. They are located in a big area and they don’t have explosive eruptions. This type of vulcanos is created when magma enters the fracture of the stone. One of the most famous volcanos of this type is Mauna Loa in Hawaii.

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Answers

Answer:

I cant pull it up.

Explanation:

Sorry.

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Two groups of related living things are no longer considered to be the same species whena. They can no longer interbreed.
b. They do not eat the same food.
c. They do not look the same.
d. They become physically separated from each other.

Answers

Answer:

They can no longer interbreed

Explanation:
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