LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

BIOCHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Substances that do not contain carbon
A
Bioinorganic substances
B
Bioorganic substances
C
Biochemical substances
D
Chemical substances
Explanation: 

Detailed explanation-1: -Bioinorganic substances do not contain carbon, for example water and inorganic salts. On the other hand bioorganic substances contain carbon, for example lipids and carbohydrates.

Detailed explanation-2: -Water (H2O) has no carbon; then, it is not an organic compound. Sodium chloride has neither carbon nor hydrogen; then, it is not an organic compound. Generally, gases, and mineral salts (inorganic substances found in soil, or bodies of water or watercourses) are not organic.

Detailed explanation-3: -Organic compounds essential to human functioning include carbohydrates, lipids, proteins, and nucleotides. These compounds are said to be organic because they contain both carbon and hydrogen.

Detailed explanation-4: -The few carbon-containing compounds not classified as organic include carbides, carbonates, and cyanides.

Detailed explanation-5: -Thus, inorganic chemistry is the subcategory of chemistry concerned with the properties and reactions of inorganic compounds, which includes all chemical compounds without the chains or rings of carbon atoms that fall into the subcategory of organic compounds.

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