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Hoochie [10]
3 years ago
9

"A star at the stage in its life cycle when it stops burning Hydrogen, begins

Biology
1 answer:
Marat540 [252]3 years ago
3 0

Answer:

ok

Explanation:

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After a dye diffuses uniformly throughout a glass of water, the dye molecules are no longer moving. True or false?
Anton [14]
The answer is false, liquid molecules continue to move even after the concentration is uniform.

Diffusion happens because there’s a concentration gradient between the dye and the water, therefore dye molecules moves to the water area. But note that this is only the net movement of the molecules, which means, even if more molecules are moving towards water, there are still some dye molecules that are moving in the opposite direction.

So, after the concentration is equal, the motion of the dye molecules does not stop, they still move in random directions, but there’s no net movement instead, as there’s no concentration gradient. Remember molecules are always moving in all directions , it just depends on whether there’s a net movement or not. If there’s no net movement, the amount of molecules moving to each and every direction is always equal.
8 0
3 years ago
During metamorphosis, a tadpole's tail is reduced in size by the process of ______. A. regeneration B. apoptosis C. oxidative ph
jolli1 [7]

The process of apoptosis, I believe, is when the tadpole's tail is reduced in size during metamorphosis.

In most animal phyla, metamorphosis actually takes place in conjunction with morphological, ecological, and physiological changes.

Marine invertebrates' larva behaves as a drifting tiny creature in the ocean, expanding its habitat distribution to find the best location for its survival.

When muscle cells undergo apoptosis, which is the final stage of their metamorphosis, they are split into membrane-bound muscle fragments and consumed by macrophages.

As a tadpole becomes a frog, apoptosis occurs. The cells in its tail are induced and it will be lost.

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<em>Image: Metamorphosis of a frog

</em>Learn which protein is responsible for initiating apoptosis in the cytosol of the target cell: brainly.com/question/28275150

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7 0
1 year ago
2. Inferring Why is it important to have more than one dating technique available?​
Katarina [22]

Answer:

well, I'm no college student but using common sense you need more than one so when one fails the other can come in and hopefully succeed.

Explanation:

5 0
2 years ago
How can we predict which elements are reactive under normal conditions and which are unreactive?​
mr_godi [17]

Answer:

We can predict or comment about reactivity of elements by taking into consideration their electronic configuration that imparts stability or un-stability to an atom.

Explanation:

Reactivity : It refers to the affinity of a substance to combine with other substance .

Elements are mainly of two types :

  • Metals and Non metals

In terms of metals or non metals it can be defined as tendency to loose or gain electrons .

  • On the basis of it ,we can easily make out or comment about the reactivity of element (metal or non metal ) .Like ,if an element has completely filled outermost shell or we can say have stable electronic configuration then it is already stable .Therefore , it won't react with any other element .
  • But, if its outer shell isn't complete then in order to attain stability it will combine or react with other .Hence , we can say it will be quite reactive .
7 0
3 years ago
The magnification of the signal from a water-soluble hormone is achieved through an increase in _______.
gogolik [260]

cAMP in the cytoplasm

Many cAMP can be generated as a second messenger to amplify the signal in response to hormone binding.

7 0
3 years ago
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