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Allows gases such as oxygen and carbon dioxide to pass through but prevents the embryo from drying out by holding water inside.

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13y ago

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Related Questions

What is an egg that holds fluid that protects the embryo?

The answer is Amniotic egg.


What does it mean to be semi permeable?

Permeable mean that it is full time. Semi-permeable is when it is only part of the time.


What is a shell membrane?

A shell membrane is a thin, semi-permeable layer that is found beneath the outer shell of some eggs. It helps protect the egg from contamination and helps regulate the exchange of gases.


What is the definition of semi-permeable?

Semi-permeable means partially permeable. The term semi-permeable is composed of two words -semi and permeable. Semi is prefix in Latin and means half, or incompletely or somewhat. Permeability refers to the quality of diffusion or seeping or penetrating. This quality is generally associated with liquids or gases. Thus, semi-permeable is used to describe something that allows the passage of some substances and blocks other or not required substances.


An example of semi-permeable?

paper


What is the difference between semi-permeable and impermeable?

semi permeable lets some substances through and impermeable lets no substances through


What is the difference between a permeable and a semi permeable membrane?

There is no real difference other than the wording; both semi-permeable and partially-permeable mean the ability to allow some substances to pass.However, OCR examiners for AS Biology have said that you should "not use the term semi-permeable when referring to cell membranes that allow water and other solutes to cross them" but should "refer to them as partially permeable."


Is the small intestine semi permeable?

yes. semi-permeable refers to anything that can be permeated by one type of thing but not another. Most of the nutrients in our food pass through the small intestine, but most of the water (not to mention poop) does not, therefore it is semi-permeable.


What does seminpermeable membrane do?

semi permeable membrane is semi-permeable or not completely permeable...it allows particles of a certain shap or size flow through but other shapes that are large or snaller cant fit through.


How is semi permeable different from permeable?

I think that the difference is that a semi-permeable allows only certain things to pass through which are those that are small enough while permeable again i say i think allows almost all things to pass through


Is a cell wall semi permeable?

No, they are fully permeable, i.e. liquids and other things can pass through them fully. The cell membrane is what's semi permeable.


Is a piece of aluminium foil a permeable membrane?

depend upon your choice , hydrogen permeable but water not