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Pachacha [2.7K]
3 years ago
12

Which pathogen can multiply quickly within a small space?

Biology
1 answer:
SashulF [63]3 years ago
8 0
Bacterial pathogen can multiply quickly within a small space
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Why is the ability of the cell membrane to be "picky" important?
Yuliya22 [10]

Answer:

Hi there!

Your answer is:

It is very important for the cell membrane to be <em>semi-permeable</em> because the ability to pick and choose what comes in and out of the cell keeps the cell safe! The membrane can choose to block out nasty germs and can also choose to get rid of internal waste.

An example of when this is important is in this scenario:

Let's say the cells are in a really salty solution. Naturally, salt will want to pull the water out of the cell. If the membrane <u>wasn't</u><u> </u> semi permeable, the water would listen to the salt and leave the cell. This would cause cell death. <u>BECAU</u><u>SE</u> the membrane is semi permeable, they can choose <em>not</em> to give the salt any water, keeping them alive

Hope this helps

5 0
3 years ago
The solid, outermost layer of the Earth is ___________.
Blizzard [7]

Answer

d.crust

Explanation

because he covered the layer of the earth

6 0
3 years ago
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4. Which statement best expresses a basic scientific
Brrunno [24]

Answer:

Choose B) B) If conclusion is valid, similar investigations by

other scientists should result in the same

conclusion.

Explanation:

4 0
3 years ago
Vitamins A, D, E, and K are dependent upon carbohydratesproteinsfats for their absorption by cells.
daser333 [38]
False, the description is incorrect.

The only right answer is oil or lipid or fats. These lipid macromolecules are the only substance needed in order for these vitamins A, D E and K to be absorbed by the cell and be used in many cellular activities. 
5 0
3 years ago
If a product can be made and used for a long time into the future, that product is
Juli2301 [7.4K]

Answer: Sustainable

Explanation:

Once a product can serve the present moment and remain useful for an indefinite period without polluting the environment, or getting reduced in value, it can be said to be SUSTAINABLE.

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