Answer:
Because they represent the leftover building blocks of the solar system-scientists can study these and learn about the composition of the solar system.
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The fundamental structure of the membrane is the phospholipid bilayer , which forms a stable barrier between two aqueous compartments . ... Proteins embedded within the phospholipid bilayer carry out the specific functions of the plasma membrane , including selective transport of molecules and cell - cell recognition .
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Carbohydrates: Molecules that provide energy/ fuel and build structures in the body. Example: Sugar. Starch, Cellulose. Building Blocks. Monosaccharides
Lipids:Molecules that store energy and regulate the body's metabolic processes. Building Block: Fatty Acids and Glycerol. Examples: Fats, Steroids, Cholesterol
Proteins: Molecules that provide structural support, cell communication, storage transport, movement, and defense. Building Block: Amino Acids Examples: Enzymes, Structural Components
Nucleic Acids: Molecules that enable living organisms to reproduce genetic information and pass them from one generation to another. Building Blocks: Nucleotides. Examples: DNA and RNA Building Blocks:
With the provided information about the squirrel glider that it has jaws, limbs, and hair, and it doesn't use placenta for reproduction, we can manage to classify it relatively accurate. Since it is an organisms that has jaws and limbs, it means that it is an animal, thus it is part of the kingdom <em>animalia. </em>These two traits also give us clue that this animal is <em>chordate</em> as it can not have limbs without a back bone. The hair means that the animal is warmblooded, thus it is able to regulate its own temperature. Taking in consideration that it has a jaw, we can exclude the <em>aves</em> (birds), which lives us the only other option, it is a <em>mammal</em>. Since it is a <em>mammal</em>, but it doesn't use placenta for reproduction, than it is part of the <em>marsupial</em> branch of the <em>mammals</em>.