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Vlada [557]
3 years ago
10

Mitochondria have their own DNA. What might that mean about their origin in our cells?

Biology
2 answers:
bogdanovich [222]3 years ago
7 0

Answer:

Mitochondria are structures within cells that convert the energy from food into a form that cells can use. Mitochondrial DNA contains 37 genes, all of which are essential for normal mitochondrial function. Thirteen of these genes provide instructions for making enzymes involved in oxidative phosphorylation.

Explanation:

rjkz [21]3 years ago
3 0

Answer:

They were individual organisms that were assimilated into a larger cell.

Explanation:

It's how simple cells became complex cells. Also, the cell and the mitochondria share a symbiotic relationship: the cell provides a safe space for the mitochondria to live, and the mitochondria provide energy to the cell in the form of ATP.

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What are isotopes and why are they important?
MariettaO [177]

Isotopes of an element all have the same chemical behavior, but the unstable isotopes undergo spontaneous decay during which they emit radiation and achieve a stable state. This property of radioisotopes is useful in food preservation, archaeological dating of artifacts and medical diagnosis and treatment.

6 0
3 years ago
If there was a dramatic increase in skeletal muscle cell damage and apoptosis, what would you expect to happen to levels of myog
leva [86]

If there was a dramatic increase in skeletal muscle cell damage and apoptosis, I would not expect a change in blood myoglobin and CK levels, because these markers are linked to cardiac muscle damage.

<h3>What does high CK-MB mean?</h3>

Elevated CKMB can be a sign of cardiac (heart muscle) damage or chronic kidney failure. At the onset of acute symptoms, after cardiac peaks, CKMB values ​​are elevated after 3-6 peaks after 12-24 hours between 12-24 hours, values ​​at 24-48-48.

With this information, we can conclude that if there was a dramatic increase in skeletal muscle cell damage and apoptosis, we would not expect a change in blood myoglobin and CK levels, because these markers are linked to cardiac muscle damage.

Learn more about myoglobin in brainly.com/question/8111632

7 0
2 years ago
Why didnt the present shapes of the continents fit perfectly into a supercontinent
kirill115 [55]
The borders (coastlines) of the continents underwent a number of changes since the split. Often, chunks of land were washed away with water, slowly or in bigger portions. The coast was generally "smoothed" by the ocean currents too, and in some places more land was added with the material that the ocean currents brought.

Then, the tectonic plates continue to move, so this adds to the changes of the shape of the continents. 
7 0
3 years ago
Read 2 more answers
If fertilized, an ovary becomes a(n):<br> O Fruit<br> O Stigma<br> O Receptacle<br> Seed
postnew [5]

Answer:

Option A Fruit

Explanation:

After fertilisation, the female parts of the flower develop into a fruit: the ovary wall becomes the rest of the fruit.

6 0
3 years ago
Please help me please
Karolina [17]

Answer:

They are metaloids

Explanation:

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4 0
3 years ago
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