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187748 Biochemistry

Crossing over, true is;

AOccurs during diplotene stage
BBetween non sister chromatids of homologous chromosomes
CBetween sister chromatids of homologous chromosomes
DBetween non homologous chromosomes sister chromatids
Biochemistry
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187749 Pathology

A 59-year-old male is found to have a 3.5-cm mass in the right upper lobe of his lung. A biopsy of this mass is diagnosed as a moderately differentiated squamous cell carcinoma. Workup reveals that no bone metastases are present, but laboratory examination reveals that the man’s serum calcium levels are 11.5 mg/dL. This patient’s paraneoplastic syndrome is most likely the result of ectopic production of

AParathyroid hormone
BCalcitonin
CParathyroid hormone-related peptide
DCalcitonin-related peptide
Pathology
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