Q: Ions can be formed when atoms lose what other particles? Read this paragraph and choose the correct option from the provided answers: By losing an electron, the sodium atom becomes a sodium ion. It now has more protons than electrons and a charge of +1. Positive ions such as sodium are given the same name as the element. The chemical symbol has a plus sign to distinguish the ion from an atom of the element. The symbol for a sodium ion is Na + . Choices: - neutrons - protons - shells - electrons A:
electrons
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Q: Contour tillage helps slow water run-off and what process that causes topsoil loss? Read this paragraph and choose the correct option from the provided answers: Choices: - water erosion - ice shelf erosion - plate tectonics - soil erosion A:
soil erosion
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Q: Metabolism is controlled by regulation of what? Read this paragraph and choose the correct option from the provided answers: 8.5 Regulation of enzyme activity helps control metabolism. Choices: - sequence activity - nucleus activity - cell activity - enzyme activity A:
enzyme activity
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Q: When are peptide bonds between amino acids formed? Read this paragraph and choose the correct option from the provided answers: Amino acids can bond together through peptide bonds to form short chains called peptides or longer chains called polypeptides ( Figure below ). A peptide bond is a covalent bond formed from a condensation reaction between two molecules, causing the release of a molecule of water. This bond usually forms between two amino acids, hence forming a peptide or polypeptide. Peptide bonds between amino acids are formed during the process of translation. Choices: - process of transcription - process of migration - process of production - process of translation A:
process of translation
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