Questions and Answers | Latest Version
| 2025/2026 | Correct & Verified
What type of metabolic reaction breaks down molecules and releases energy?
✔✔ Catabolism
What type of metabolic reaction builds larger molecules from smaller ones?
✔✔ Anabolism
What type of bond involves the sharing of electrons between atoms?
✔✔ Covalent bond
What type of bond forms when one atom donates an electron to another?
✔✔ Ionic bond
What type of bond holds water molecules together?
✔✔ Hydrogen bond
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,What type of particle has a negative charge and orbits the nucleus?
✔✔ Electron
What type of particle has a positive charge and resides in the nucleus?
✔✔ Proton
What type of particle has no charge and is found in the nucleus?
✔✔ Neutron
What type of molecule releases hydrogen ions into solution?
✔✔ Acid
What type of molecule accepts hydrogen ions or releases hydroxide ions?
✔✔ Base
What type of compound contains carbon and hydrogen atoms?
✔✔ Organic compound
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,What type of reaction builds macromolecules by removing water?
✔✔ Dehydration synthesis
What type of reaction breaks macromolecules by adding water?
✔✔ Hydrolysis
What type of substance speeds up chemical reactions in the body?
✔✔ Enzyme
What type of biological molecule is made of amino acids?
✔✔ Protein
What type of biological molecule is made of monosaccharides?
✔✔ Carbohydrate
What type of biological molecule is used for long-term energy storage?
✔✔ Lipid
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, What type of biological molecule stores genetic information?
✔✔ Nucleic acid
What type of sugar is found in DNA?
✔✔ Deoxyribose
What type of sugar is found in RNA?
✔✔ Ribose
What type of base is found in RNA but not in DNA?
✔✔ Uracil
What type of base is found in DNA but not in RNA?
✔✔ Thymine
What type of structure is formed when many amino acids link together?
✔✔ Polypeptide
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