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saw5 [17]
3 years ago
13

A cell that consists of a 65% salt concentration is placed in a solution with a 27% salt concentration. What will happen to this

cell?
Biology
1 answer:
zzz [600]3 years ago
3 0

Answer:

The correct answer would be - the cell will get water and expand.

Explanation:

If a cell with a higher salt concentration is placed ins a low salt concentration solution then the water will move through the cell membrane into the cell and the cell will swell or expand.

Water always moves from a low solute concentration to a high concentration area, therefore, if the cell has more salt concentration than outside the cell water move inside the cell which leads to an increase in the water concentration inside the cell and expands its size.

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Scientists believe that the carbon levels in the atmosphere are growing, thus throwing off the stability of the Earth’s atmosphe
professor190 [17]

Answer:

There is overwhelming evidence that human activities, especially burning fossil fuels, are leading to increased levels of carbon dioxide and other greenhouse gases in the atmosphere, which in turn amplify the natural greenhouse effect, causing the temperature of the Earth's atmosphere, ocean, and land surface to

Explanation:

5 0
3 years ago
What type of data do scientists use to predict tornadoes?
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Answer:

Meteorologists forecast tornadoes through the measurement of temperature, air speed and pressure conditions to monitor atmospheric conditions

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3 years ago
Experiment: 10 people are at rest and their blood pressure is taken using a blood pressure devise; then, you have these 10 peopl
DerKrebs [107]

Answer:

Blood pressure measurements

Explanation:

Dependent variables are the values that are measurable.

8 0
3 years ago
What chemical process provides us with the energy required for active transport?
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Answer:

Primary active transport directly uses a source of chemical energy (e.g., ATP) to move molecules across a membrane against their gradient.

7 0
3 years ago
The mitotic spindle consists of two types of microtubules: kinetochore microtubules and nonkinetochore microtubules. In animal c
Blababa [14]

Answer:

The correct answer will be

1. Lengthen

2. Lengthen, shortens

3. Disassemble

Explanation:

There are three types of microtubules present during cell division: kinetochore, aster and polar microtubules.  

1. During prophase: all types of microtubules grow out at their positive(+) ends which functions to pull and push the sister chromatids apart towards opposite poles so they lengthen.

2. During anaphase : non-kinetochore microtubules- polar microtubules polymerization takes place at their (+) ends which causes the spindle fibres to move apart  while kinetochore microtubules which have been attached to the kinetochores of chromosomes shorten at their (+) ends and  motor proteins travel to (-) end because of which sister chromatids move towards the spindle poles.

3. During telophase: non-kinetochore microtubules depolymerize or disassembles.

Thus, 1. Lengthen, 2. Lengthen, shortens and 3. Disassemble are the correct options.

7 0
3 years ago
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