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Phantasy [73]
3 years ago
13

If cells in the process of dividing are subjected to colchicine, a drug that interferes with the functioning of the spindle appa

ratus, at which stage will mitosis be arrested?
Biology
1 answer:
Zolol [24]3 years ago
5 0

The mitosis stops when chromosomes are at the maximum condenstation, it is practically metaphase but the chromosomes are not attached to the spindles so they don't form the equatorial plate.

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Why do leaves fall off trees in the fall?
allsm [11]

It's a way of protecting the trees, and making sure they survive the winter and beyond. Leaves die during the winter months. If those dead leaves stayed on the trees, and new ones wouldn't grow in their place, the tree would have no way of making food for themselves.

Hope it helps. ☺

3 0
3 years ago
* Describe at what point in the cell cycle cells begin to divide uncontrollably.
Butoxors [25]

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8 0
3 years ago
Which of these is NOT true of cells? (1 point)
bearhunter [10]
They are much like empty rooms false

the cell lacks a nucleus is true
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3 0
3 years ago
Read 2 more answers
1. List 2 interactions between the earth spheres and the water cycle.
Harrizon [31]

Answer:

The carbon cycle, as the nitrogen cycle, occurs in all the spheres: Biosphere, Atmosphere, Geosphere and Hydrosphere.

Explanation:

Most Earth events involve interaction between multiple spheres. For example, rain is the movement of water (the hydrosphere) from the atmosphere to the lithosphere where it collects in lakes, rivers, or streams. Water is an important resource for inhabitants of the biosphere.

The Atmosphere-contains all the air in Earth's system. The upper portion of the atmosphere protects the organisms of the biosphere from the sun's ultraviolet radiation. It also absorbs and emits heat. This sphere is also where weather occurs.

The nitrogen cycle occurs in all the spheres and ecosystems. It passes through rocks, water, atmosphere, plants, etc.

In atmosphere and biosphere: Nitrogen is about 78% of the gases in the atmosphere an it’s a essential component of the living organisms. It enters plants through the microorganisms that convert this nitrogen into ammonia. After this conversion, the plants absorb this substance. It can pass to animals when they eat these plants. Then, when they urinate, bacteria convert ammonia to nitrogen again and it returns to the atmosphere.

Sources:

https://earthsphereslife.wordpress.com/2020/03/31/nitrogen-cycle/https://earthsphereslife.wordpress.com/2020/04/01/carbon-cycle-in-all-the-spheres/

4 0
2 years ago
Write one scientific question about the organism in the photo.
Paladinen [302]

Answer:

How does the bird's long beak help it survive?

Explanation:

It could be to crack nuts or to help dig up bugs. This should work unless the question needs to be about cells and stuff.

3 0
2 years ago
Read 2 more answers
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