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AleksandrR [38]
3 years ago
14

Why are cells so small?

Biology
1 answer:
Harrizon [31]3 years ago
5 0
The surface area to the volume ratio gets smaller as the cell gets larger. If the cell grows beyond a certain limit not enough material will be able to cross the membrane fast enough to accommodate the increased cellular volume.

Hope that helps
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Why are lipids able to function as protective barriers in cells?
Papessa [141]
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If lipids dissolve in water, they will not be able to function as protective barriers in cells. N</span><span>ucleic acids, proteins, lipids and carbohydrates are the four types of macro-molecules in the cell.</span>
4 0
3 years ago
TO INVESTIGATE AND COMPARE THE MOVEMENT OF TWO NAMED JOINTS IN THE HUMAN BODY
WINSTONCH [101]

Answer:

tendons and knees

Explanation:

the tendons are in the fingers, and they move to allow various actions such as holding things. the knees, allow us to walk, and join the forelegs and legs. their movement is different and they allow various actions, however, both are important.

8 0
3 years ago
What are the life cycles of flatworms and roundworms?
WINSTONCH [101]
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6 0
3 years ago
Pseudomonas A. are resistant to many disinfectants and antimicrobials.B. are mostly harmless except for the opportunistic P. aer
OLga [1]

Answer:

The best answer is option E.

Explanation:

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Thus, the correct answer is option E.

6 0
4 years ago
Living on land required that plants ____.
Naddik [55]

I think it would be to exchange gases.  When you think about it, plants in the past were always underwater.  They didn't have any air.  Now, they are on land and need to be able to exchange gases from the leaves to the roots.  

8 0
3 years ago
Read 2 more answers
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