4 years ago

How is phospholipid bilayer arranged? and why does it arrange that way?

1 answer:

4 0

It arranges as 2 layers of phospholipids where the hydrophilic(water-loving) heads face toward the outside and the hydrophobic(water-hating) tails are on the inside. They arrange like this to allow for selective permeability which is why this is what a cell's plasma membrane is made up of.

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Earth Retains Water Because:

stellarik [79]

Answer:

...it is necessary for life.

Explanation:

continues to exist on the surface of Earth because the planet is at a distance far enough from the Sun that it does not lose its water to the runaway greenhouse effect, but not so far that low temperatures cause all water on the planet to freeze.

3 0

4 years ago

In summer squash, white fruit color (W) is dominant over yellow fruit color (w) and disk-shaped fruit (D) is dominant over spher

Angelina_Jolie [31]

P: WWDD x wwdd
Formed gametes are WD and wd
F1 generation: WwDd all phenotypes are white and disc-shaped (dominant traits are expresed)
F2 generation: 9 : 3 : 3 : 1 are ratios of phenotypes (white and disc-shaped : white sphere-shaped : yellow disc-shaped : yellow sphere shaped).