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Dominik [7]
3 years ago
10

How do materials that cannot diffuse through the cell membrane get into the cell?

Biology
1 answer:
allsm [11]3 years ago
5 0

The cell membrane's main trait is its selective permeability, which means that it allows some substances to cross it easily, but not others. Small molecules that are nonpolar (have no charge) can cross the membrane easily through diffusion, but ions (charged molecules) and larger molecules typically cannot.
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sveticcg [70]

Answer:

Mikroalga adalah alga mikroskopik, biasanya terdapat di sistem air tawar dan laut. Mereka adalah spesies uniselular yang wujud secara individu, atau dalam rantai atau kumpulan. Bergantung pada spesies, ukurannya boleh berkisar antara beberapa mikrometer (µm) hingga beberapa ratus mikrometer.

Explanation:

6 0
3 years ago
Drag the labels from the left to the correct locations in the table to contrast r- and K-selection.
Mandarinka [93]
I don’t see any labels, but remember that humans are a great example of a k-selected species. High rates of parental care leads to high survivorship of offspring, and thus negates the need to have large amounts of offspring.

R-selected species are quite the opposite. They produce large amounts of offspring at many intervals in an attempt to maximize survivorship, as they don’t have strong parental involvement with their young. Think of insects.
7 0
3 years ago
[BWS.02]An idea is considered scientific after it has been
arsen [322]
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5 0
2 years ago
What is the role of protein in a cell?
kozerog [31]
Proteins are large, complex molecules that play many critical roles in the body. They do most of the work in cells and are required for the structure, function, and regulation of the body's tissues and organs. ... These proteins provide structure and support for cells. On a larger scale, they also allow the body to move.
5 0
3 years ago
Read 2 more answers
All aerobic exercises are calorie burners and all calorie burners are weight reducers. Thus, all aerobic exercises are weight re
Misha Larkins [42]

Answer:

It is true

Explanation:

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3 years ago
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