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  • Carbon: Has 6 protons and 6 electrons, with 4 electrons in its outer shell. It forms the backbone of organic molecules due to its ability to form strong covalent bonds with other elements.
  • Oxygen: Has 8 protons and 8 electrons, with 6 electrons in its outer shell. It is essential for respiration in living organisms and forms polar covalent bonds with other elements.
  • Nitrogen: Has 7 protons and 7 electrons, with 5 electrons in its outer shell. It is a crucial component of proteins and nucleic acids, and is involved in the nitrogen cycle in ecosystems.
  • Hydrogen: Has 1 proton and 1 electron. It is the most abundant element in the universe and is essential for life, being a key component of water and many organic compounds.
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1y ago

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What proteins must always contain what elements?

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A protein is a macromolecule that contains carbon, hydrogen, oxygen, and nitrogen. Proteins are made up of amino acids, which are the building blocks of proteins. The specific arrangement of amino acids determines the structure and function of the protein.


What are the elements of nucleic acids'?

The elements found in nucleic acids are carbon (C), hydrogen (H), oxygen (O), nitrogen (N), and phosphorus (P). These elements are essential for the structure and function of nucleic acids like DNA and RNA.


What sequence does the structure of protein depend on?

Chemically, proteins have carbon, oxygen, hydrogen, and nitrogen. The nitrogen is a definite key.


What elements are in lipids?

Lipids typically consist of carbon, hydrogen, and oxygen atoms. Some lipids may also contain elements like nitrogen, phosphorus, or sulfur in smaller quantities depending on their specific structure and function.


What four elements make up 96 percent of living organisms?

The four elements that make up 96 percent of living organisms are carbon, hydrogen, oxygen, and nitrogen. These elements are essential for building biological molecules such as proteins, DNA, and carbohydrates that form the fundamental structure of living organisms.


What four elements make up 96 percent of the human body?

The four elements that make up 96 percent of the human body are oxygen, carbon, hydrogen, and nitrogen. These elements are found in abundance in biological molecules such as water, proteins, carbohydrates, fats, and nucleic acids, which are essential for human life and function.


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