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kaheart [24]
3 years ago
10

All living organisms maintain a relatively stable internal environment through a process known as homeostasis. The human body, f

or example, tries to maintain a temperature of about 37 degrees Celsius. When it gets cold outside, how does your body respond in order to maintain homeostasis?
A.
shivering
B.
sweating
C.
heavy breathing
D.
swelling
Biology
1 answer:
aliina [53]3 years ago
4 0

Answer:

shivering

Explanation:

the movement of your muscles creates friction between them, which produces heat, thus warming our bodies up.

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Polymers are macromolecules composed of similar monomers joint through chemical bonds. <em>Lipids </em><em>are not composed of similar </em><em>basic units</em><em>, so they are </em><em>not</em><em> considered to be </em><em>polymers</em><em>. There is no formation of a polymer lipid.  </em>

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<em>Together with proteins, carbohydrates, and nucleic acids, </em><em>lipids</em><em> are essential </em><em>components</em><em> of </em><em>biological structures</em><em> and are part of the </em><em>biomolecules </em><em>group. </em>

When talking about <u>polymers</u>, we are referring to molecules composed of multiple similar units, the monomers. When many monomers join through chemical bonds, through the polymerization process, they form a polymer. These units do not need to be identical.

According to the polymer definition, <em>polysaccharides, proteins, and nucleic acids are polymers</em>.<em> </em><u><em>Lipids</em></u><u><em> are </em></u><u><em>not polymers</em></u> because they are not composed of a repeated sequence of basic units.

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According to their structure:

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Membrane lipids are amphipathic molecules with hydrophilic heads -negatively charged phosphate group- and hydrophobic tails. In membranes, they are arranged with their hydrophilic polar heads facing the exterior and the interior of the cells, while their hydrophobic tails are against each other, constituting the internal part of the membrane.

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Related link: brainly.com/question/13286399?referrer=searchResults

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