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denis-greek [22]
3 years ago
14

Colchicine is a chemical that when applied to a cell during mitosis can be used to ""freeze"" cells in metaphase by preventing t

he chromosomes from moving away from the metaphase plate. What part of the cell does colchicine most likely affect?
Biology
1 answer:
MArishka [77]3 years ago
4 0

Answer:

Colchicine inhibits the formation of the microtubules or spindle fibers. Without the spindle fibers the chromosomes cannot move to the poles.

Explanation:

Spindles and microtubules are both important components of cellular division. The structures go hand in hand with each other and are necessary for cellular division to occur.

Spindle fibers form a protein structure that divides the genetic material in a cell. The spindle is necessary to equally divide the chromosomes in a parental cell into two daughter cells during mitosis and meiosis. During mitosis, the spindle fibers are called the mitotic spindle and it is called meiotic spindle during meiosis,

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Identify some beverages that are mixtures. Classify them as solutions, suspensions, or neither. Explain your classifications.
Minchanka [31]

Answer:

See explanation.

Explanation:

Hello.

In this case we can for instance take into account the following mixtures:

- Orange juice.

- Tea.

- A soda.

- Salty water

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Thus, since the orange juice is a suspension as long as it contains different sizes of orange pulp particles that cannot be dissolved mostly because of its organic nature.

Tea can be a solution when we place a tea bag in a cup with warm water since just soluble components of tea are successfully dissolved in the water. Moreover, homemade tea based on some plants are fruits may behave as a suspension due to the oraginic particles that are not dissolved in the water yet suspended.

A soda is a solution of some water-soluble compounds, gaseous soluble carbon dioxide and water which are homogeneously distributed in the solution.

Salty water can be a solution if you put some salt in warm or just cold water and wait until it dissolves completely.

Coffee can be also a solution or suspension depending on how it is made, which type of coffee is used and the amount of coffee added to the hot water.

Best regards.

5 0
4 years ago
What are eroded materials that drop out first as a river slows down?​
slega [8]

Answer:

Sediment in rivers gets deposited as the river slows down. Larger, heavier particles like pebbles and sand are deposited first, whilst the lighter silt and clay only settle if the water is almost still.

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What term refers to an inflammation of brain tissues?
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