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Rufina [12.5K]
3 years ago
9

What prevents a white dwarf from completely collapsing upon itself?

Biology
1 answer:
lana [24]3 years ago
6 0

Answer:

Fusion

Explanation:

What keeps the white dwarf "alive" is fusion reactions in its core. When the fusion stops, it has no energy -- therefore it cannot support itself.

Hope that helped!

Also, you should read about Chandrasekhar limit!

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During the replication of DNA molecules, __________. During the replication of DNA molecules, __________. both strands of the pa
Ilia_Sergeevich [38]

Answer:

both strands of the parent molecule act as templates

Explanation:

The process of DNA replication uses the existing parental DNA strands as a template. The enzyme helicase breakdown the hydrogen bonds between the base pairs of a DNA duplex to separate the two strands from each other. Each of these two DNA strands from a DNA duplex serves as a template for the process of DNA replication. Primase enzyme synthesizes primers on both the template strands which in turn are elongated by DNA polymerase enzyme.

3 0
3 years ago
What’s the velocity of a ball falling with 100 joules of kinetic energy and a mass of 2 kilograms? Use the formula, .
sergey [27]
Kinetic energy = 0.5*m*velocity square.
solving we get velocity =10 metre /sec
5 0
4 years ago
Read 2 more answers
Are the terms tectonic plates and plate tectonic the same?
zubka84 [21]

Answer:

No, they are not the same

Explanation:

Plate tectonic and tectonic plates are different because plate tectonic are different pieces of the earth's and tectonic plates come down objects and actions

4 0
3 years ago
HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP
sladkih [1.3K]

Answer:

Option 3

Explanation:

its option 3 because those big patches are actually the result of erosion of the rocks

6 0
3 years ago
Scientists have successfully cloned animals, including mammals such as sheep. Which statement provides the most likely reason th
tigry1 [53]

Answer:

4) Some people consider human genetic experiments

unethical.

Explanation:

1) Humans have DNA that is structurally very different from

other mammals.

2) Cloning can only he performed on animals that normally

reproduce asexually.

3) Human genes are made of too many different types of

simple sugars.

4) Some people consider human genetic experiments

unethical.

The statement that provides the most likely reason that a human has not yet been cloned is that some people consider human genetic experiment unethical.

<em>Option 1 is incorrect because human DNA is similar in structure to other living organisms with components such as a phosphate group, a deoxyribose sugar and purine/pyrimidine bases.</em>

<em>Option 2 is incorrect because cloning is not limited to asexually reproducing organisms only. Sheep, for example, produces only sexually and has been successfully been cloned.</em>

<em>Option 3 is incorrect because human genes, just like every other organisms is consist of DNA with deoxyribose pentose sugar being one of the components. The situation of too many different types of simple sugars doe not arise.</em>

The correct option is 4.

6 0
3 years ago
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