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murzikaleks [220]
3 years ago
6

Based on data collected from many different sources, such as the Hubble telescope and The Wilkinson Microwave Anisotropy Probe (

WMAP), scientists have been able to show that about 75% of the universe is composed of dark energy. Which of these theories becomes more credible knowing this information?
Biology
1 answer:
kkurt [141]3 years ago
3 0

Answer:

dhdbfbf r r

Explanation:

bebebdbe eehd r r eebr r

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A tissue sample was taken from an infected wound and cells were viewed under the microscope. Each cell contained a cell wall, ce
lukranit [14]

An unidentified prokaryotic cell. Thus, option "4" is correct.

<h3>What atr prokaryotes and eukaryotes?</h3>

Prokaryotes are the unicellular organisms that do not contain nucleus and membrane bound organelle in their cell. Their genetic material is present in the cytoplasm.

On the other hand, eukaryotes have true nucleus that contains the genetic material (DNA). They also contain membrane bound specialised organelles (such as mitochondria, endoplasmic reticulum, golgi complex).

Thus, option "4" is correct.

To learn more about Prokaryotes  click here:

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7 0
2 years ago
In active cells, pO_2 may be 10 torr at the cell surface and 1 torr at the mitochondria (the organelles where oxidative metaboli
Lelechka [254]

Answer:

A) myoglobin binds the oxygen by means of iron

B)myoglobin would be an effective O_2-transport in other tissues

Explanation:

8 0
3 years ago
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What atom exists in all macromolecules
Zinaida [17]

carbon, the fundamental component for all the macromolecules.

6 0
3 years ago
Why can't astronomers measure the parallax of a star that is a million light years away?
motikmotik

One of the methods used widely to calculate the distance of nearby or closer objects in astronomy is Parallax. The distance of the stars are usually expressed in light years but the unit of distance is parsec or parallax second.  

                                        1 Parsec = 3.26 light years

Astronomers are not able to measure the parallax of a star that is a million light years away because the star is too far and the distance with which the start appears to move is too less to be calculated accurately.

6 0
3 years ago
Where is the retina located?
Stells [14]

Retina is location along the back of an eye (Option D)

Hope that this was helpful :)

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