Organic macromolecules called _______ are insoluble in water, are often found in biological membranes and other waterproof coverings, and have the ability to store energy for extended periods of time.. a. proteins. b. nucleic acids. c. carbohydrates. d. lipids

Respuesta :

I think the correct answer among the choices listed is option D. Organic macromolecules called LIPIDS are insoluble in water, are often found in biological membranes and other waterproof coverings, and have the abilityto store energy for extended periods of time.

Lipids are organic macromolecule that is insoluble in water and present in the plasma membrane. They store energy for a very long time.

Further Explanation:

Organic molecules are molecules that possess carbon atoms held together by carbon-carbon bonding. Some of them are small, for example, ethanol. Whereas some are a large organic molecule that consists of thousands or hundreds of atoms, joint together by carbon-carbon bonding. Such large biological molecules are known as macromolecules. Some examples of the organic molecule are lipids, carbohydrates, proteins, and nucleic acid.

Lipids are organic molecules present as the structural components of membranes and parts of cells. They are non-polar and contain C-H and C-C covalent bonds. They are hydrophobic and resist dissolving in water. They are commonly known as fats or oils and are composed of fatty acids linked to glycerol molecules. They are considered as building blocks of “cellular membranes” that store energy. They store high amounts of energy because of the greater number of the C-H bonds that mainly release energy when absorbed with the presence of oxygen. They perform the function of cellular communication, insulation, and protection.

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Answer Details:

Grade: High School

Subject: Biology

Chapter: Membrane biology

Keywords:

Organic molecule, carbohydrate, protein, ethanol, nucleic acid, membrane, cellular membrane, oxygen, cellular communication, protection.