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Debora [2.8K]
3 years ago
9

How does the lipid bilayer of a membrane form a barrier to molecules?

Biology
1 answer:
forsale [732]3 years ago
4 0

Answer: The lipid bilayer forms a barrier to molecules because it consists of closely-packed molecules with long nonpolar hydrocarbon chains.

Explanation:

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In what situations are bacteria decomposers? How can they be producers?
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Bacteria are decomposers when they are turning the dead material in decaying organisms into nutrients. They become producers when they provide those nutrients for plants.

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In the polymerization in vitro of actin filaments and microtubules from their subunits, what does the "lag phase" correspond to?
nalin [4]

Answer:

Nucleation

Explanation:

The first step of formation of new phase, structure or self-assembly is called as Nucleation.

It is mentioned in the book of Molecular Biology of the Cell that whenever, In-vitro polymerization of micro-tubules and actin filament occur the first step is called nucleation. In other words Lag Phase.

Reference: Alberts B, Johnson A, Lewis J, et al. Molecular Biology of the Cell. 4th edition. New York: Garland Science; 2002. The Self-Assembly and Dynamic Structure of Cytoskeletal Filaments.

4 0
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Answer:

Answer is lysogenic cycle.

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3 0
2 years ago
Which cell organelle allow plants to make food with the help of sunlight
sertanlavr [38]

The answer that you are looking for is Chloroplast.

The reason why this is the answer is because the Chloroplast allows plants to make food with the help of sunlight.

I hope this helped :)

7 0
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