[ { "question": "The major difference between cartilage and bone is that cartilage", "choices": { "text": [ "is a part of the skeletal system", "is composed of collagen and salts", "lacks blood vessels and nerves", "secretes a matrix" ], "label": [ "A", "B", "C", "D" ] }, "answer": "[ANSWER]C[/ANSWER]", "prompt": "You MUST include the letter(s) of the correct answer (separated by comma if there are many) within the following tags: [ANSWER] and [/ANSWER]. No explanations and other information. Only return the '[ANSWER][/ANSWER]'. We require this because we use automatic parsing." }, { "question": "Which of the following best explains why lignin is important to the evolutionary success of land plants?", "choices": { "text": [ "Lignin provides structural support, allowing plants to grow tall.", "Lignin stimulates spore formation, leading to gametogenesis.", "Lignin supplies the developing embryo with essential nutrients, enabling its growth.", "Lignin supplements the absorption of light by chlorophyll, increasing photosynthetic output." ], "label": [ "A", "B", "C", "D" ] }, "answer": "[ANSWER]A[/ANSWER]", "prompt": "You MUST include the letter(s) of the correct answer (separated by comma if there are many) within the following tags: [ANSWER] and [/ANSWER]. No explanations and other information. Only return the '[ANSWER][/ANSWER]'. We require this because we use automatic parsing." }, { "question": "A mutation in a bacterial enzyme changed a previously polar amino acid into a nonpolar amino acid. This amino acid was located at a site distant from the enzyme’s active site. How might this mutation alter the enzyme’s substrate specificity?", "choices": { "text": [ "By changing the enzyme’s pH optimum", "By changing the enzyme’s location in the cell", "By changing the shape of the protein", "An amino acid change away from the active site cannot alter the enzyme’s substrate specificity." ], "label": [ "A", "B", "C", "D" ] }, "answer": "[ANSWER]C[/ANSWER]", "prompt": "You MUST include the letter(s) of the correct answer (separated by comma if there are many) within the following tags: [ANSWER] and [/ANSWER]. No explanations and other information. Only return the '[ANSWER][/ANSWER]'. We require this because we use automatic parsing." } ]