Record Data Elapsed Hormone mL Ozl mL Oal Data Sets g Time (min) mLO Injected hr

Question

Record Data Elapsed Hormone mL Ozl mL Oal Data Sets g Time (min) mLO Injected hr hr/ kg Normal 250 245 245 250 245 245 250 245 245 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 7.1 6.3 6.3 n/a n/a n/a 426 1704 378 378 Experiment 1543 Hypox Normal Tx Hypox Normal Tx Hypox 1543 7.6 thyroxine456 1824 7.1 thyroxine4261739 7.1 thyroxine426 1739 456 1824 378 1543 426 1739 Experiment TSH TSH TSH 7.6 Experiment 6.3 1.00 7.1 Experiment 1 1. How did the metabolic rates of the three rats in Experiment 1 differ? Why did they differ? RESPONSE

Explanation / Answer

1) In the experiment 1, the metabolic rate of the normal rats are higher than the other two groups of eats (Tx and Hypox). Thyroid hormones are necessary for maintaining normal basal metabolic rate. Therefore, in the decreased levels of thyroid hormones, the basal metabolic rats will be lower and hence the rats in groups Tx and Hypox have lower metabolic rate.

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