Population is the term that is used to describe a group of arctic foxes that live in part of Alaska's Arctic National Wildlife Refuge. The correct option among all the options given in the question is the third or the second last option. The area covered by Arctic National Refuge is approximately 19.6 million acres. It has a variety of wild animals living in it.
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Answer:
c. The ratio of long to short fatty acid tails in the membrane phospholipids increases
e. There is an increase in the saturation state of the fatty acid tails of membrane phospholipids
Explanation:
In biological lipid membranes, the homeoviscosity refers to the process by which the membrane 'adapts' its lipid composition to maintain a proper fluidity. It is well known that the membrane's fluidity increases with increasing temperatures. In this regard, it is important to have into account two points. First, the length of the fatty acid tail alters the membrane's fluidity: shorter fatty acid tails increase fluidity, while longer fatty acid tails decrease it (because shorter tails establish fewer molecular interactions between fatty acids tails). Second, the degree of saturation (i.e., the number of bonds between the carbon atoms) of fatty acids tails also affects homeoviscosity. A higher saturated fatty acid content decreases the membrane's fluidity because saturated tails are arranged in order to maximize molecular interactions between fatty acids tails.
Answer:
These worms most resemble vestimentiferan worms on Earth
Explanation:
The Vestimentiferan worms are a very large marine tube worms. This are very long ones and can get to grow at least three meters and they tend to have a big diameter. They commonly inhabit deep-sea hydrothermal vents. They don't have a digestive system and they are classified as pogonophorans or a separate phylum or polychaetes.
Answer:
I believe its option b. carbon dioxide.
Answer:
The new life form will come in domain of bacteria.
Explanation
:
As we know that there are certain characteristic of bacterial cells which are listed below.
Composition of cell wall
:
Cell wall of bacteria is composed of carbohydrates protein complex known as peptidoglycan
.
Presence of organelles
:
Bacterial cells lack all organelles except ribosomes
Presence of fatty acids in plasma membrane
The plasma membrane of bacterial cell is composed of a lipid bilayer made up of phospholipid. It contains fatty acids
Conclusion
In microscopic studies of new organism all the characteristics features of bacteria have been found. So, this new life form belong to bacteria.
