The Channichthyidae fish, also known as the

crocodile ice fish, lives in the Southern Ocean

around Antarctica. These waters are known to

maintain extremely low temperatures all year,

ranging from approximately 28°F to 35°F. These fish

have adaptations that allow them to live in cold, low

oxygen waters. (a) If you were to examine the

membrane lipid composition of cells from the

Channichthyidae fish identify what you would

expect to find. (b) Justify why you might find what

you identified in part (a).

Respuesta :

A) If you were to examine the membrane lipid composition of cells from the Channichthyidae fish, what you would expect to find is glycoprotein,zona pellucida protein and a less number of haemoglobin that is found in this type of fish.

B) Justification of why you might find what was identified in part (A) is because;

Glycoprotein contains antifreeze compounds,these antifreeze compounds are what provide resistance to freezing of their hypoosmotic tissues by the subzero environment.

If we analyzed the lipid composition of these fish, we could find glycoproteins.

We can arrive at this answer because:

  • Glycoproteins are formed by a chain of oligosaccharides, linked to a chain of polypeptides, which are side chain lipids.
  • These glycoproteins have different functions in the body.
  • One of the most important functions is keeping the heat.
  • This function allows heat to remain longer in an organism and heat loss to be slower.

In this case, the glycoprotein is an essential molecule in the organism of living beings that live in environments with very low temperatures, such as fish Channichthyidae.

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