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sladkih [1.3K]
3 years ago
13

How does the structure of a cell membrane affect its permeability?

Biology
1 answer:
Genrish500 [490]3 years ago
6 0
The phospholipids are tightly packed together, and the membrane has a hydrophobic interior. This structure causes the membrane to be selectively permeable. A membrane that has selective permeability allows only substances meeting certain criteria to pass through it unaided.
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Environmental factors can have various effects on ecosystems. In August 2005, Hurricane Katrina caused significant damage in sev
Alenkinab [10]
<span>Hurricane Katrina would not have caused early onset of spring. The damaging winds/rains of the hurricane would have caused a change in marine ecosystems and habitats since the heavy winds/rain and storm surge eroded beaches, took down trees, and flooded out areas. As a result, animal migration also changed since some habitats that animals would normally migrate to were destroyed and no longer existed. The early onset of spring (aka. seasonal change) is not driven by individual weather systems.</span>
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3 years ago
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What is the largest organ in your body?
slavikrds [6]

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Explanation:

Look at scale images or medical diagrams and you will see.

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8 0
2 years ago
Based on fossil evidence, about how long ago did the first
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3 years ago
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In genetics, the dash symbol (-) is a "wild card" that stands for either the dominant allele or the recessive allele; for exampl
m_a_m_a [10]

Answer:

12 : 3 : 1

Explanation:

According to Mendel's principles, a dihybrid cross between two heterozygous summer squash parents (WwGg X WwGg) should yield offsprings, 12 with white, 3 with yellow and  1 with green color phenotype. The classic Mendelian phenotypic ratio for dihybrid cross is 9:3:3:1. In this case, genotypes W- G- and W- gg produce white color phenotype. This is because we have 12: 3: 1 phenotypic ratio in which the alleles of two different genes assort independently into gametes.

<em>Dihybrid cross for heterozygous summer squash:</em>

                    WG         Wg            wG            wg          

    WG      WWGG   WWGg     WwGG     WwGg

    Wg       WWGg   WWgg     WwGg      Wwgg

    wG        WwGG    WwGg     wwGG      wwGg

      wg       WwGg    Wwgg     wwGg        wwgg

   Genotypes:

   W-G-  and W- gg  = white = 12

    ww G- = yellow = 3

     ww gg = green = 1

3 0
3 years ago
Hi This is also part of my question so please answer this because I need help with it!
stira [4]

Answer:

1. = Mars

2. I'm pretty sure that it is 20 degrees since the lower angle you go, the less intense the sunlight is.

Explanation:

5 0
2 years ago
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