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Travka [436]
3 years ago
12

In preparation for mitosis, dna is copied; this is called dna

Biology
1 answer:
Anastaziya [24]3 years ago
7 0
DNA replication if i am correct

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In an investigation, plant cells are placed in water that has been tinted blue. The investigators observe the color of the cells
larisa [96]

Answer:

C

Explanation:

When plant cells take in water, the vacuole swells. A swollen vacuole indicates the plant cell has all the water it needs. This suggests that the plant is taking in water and is maintaining optimum conditions. This is an example of homeostasis.

If the cells burst apart, as in A and E, this would suggest the cell is not properly maintaining homeostasis, as the cell bursting suggests something has gone badly wrong. This suggests the cell has taken in too much water; the cell has not been able to maintain homeostasis and regulate water uptake to prevent this from happening.

In the reverse case, where the cells shrink apart (as in B), the cell would also not be properly maintaining homeostasis by failing to bring enough water into the cell to maintain a turgid state. This is also damaging for the cells.

Finally, D and E can also not be correct, because water can cross the cell membrane, and does not need to be pumped in or sent out by endocytosis.

8 0
3 years ago
What do you think would happen to a cell if enzymes were not<br> present?
ohaa [14]

Answer:

They would not be able to achieve homeostasis.

Explanation:

Homeostasis refers to the maintenance of a stable internal environment and the cell needs a healthy and proper enzymes to do this.

7 0
3 years ago
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Which of the following best defines change in a species over time?
Firlakuza [10]

Answer:

Evolution

Explanation:

4 0
3 years ago
Plants release oxygen through what
Shtirlitz [24]

Answer:

Plants release oxygen through photosynthesis.

6 0
3 years ago
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5. What process happens when rocks break down due to reaction with water,
Blababa [14]

Answer:

Chemical engineering

Explanation: I am not really that good at science but my opinion is that it is chemical engineering because the process of the rock breaking down with the listed factors of water, carbon dioxide etc. If you are not sure you can also look of the definition for each of the engineering factors...

4 0
3 years ago
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