Give three reasons why a cell needs movement of materials acros it's m embrane

Answers 1

diffusion, osmosis and active transport are three similar chemical methods by which single molecules or very small structures are moved across membranes or relatively short distances, often within or between cells..

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When the zeros in a certain figure significant?

Answer:

Zeros between non zero digits are significant

In palampur primary sector does not include ________.

Answer:

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Two numbers are in ratio 3:7 if they differ by 36 find the numbers

Answer: The numbers are 27 and 63.

Explanation:

We will assume two variables here according to the given ratio in the question.

Let us assume two variables 3x and 7x respectively.

Now, it is given in the question that the difference of the two number is 36 (Given in the question itself).

Therefore,

[tex]7x - 3x = 36[/tex]

[tex]4x = 36\\x = 9[/tex]

Since, [tex]x = 9[/tex]

Therefore,

[tex]3x = 3*9 = 27[/tex]

[tex]7x = 7*9 = 63[/tex]

Hence, the required numbers are 27 and 63 respectively.

If all sharks get extinct in the ocean a,how would it affect the food chain

Answer:

The loss of sharks has led to the decline in coral reefs, seagrass beds and the loss of commercial fisheries. By taking sharks out of the coral reef ecosystem, the larger predatory fish, such as groupers, increase in abundance and feed on the herbivores

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