BIOB34 Final Exam Questions and Correct Answers
Amylase breaks down glycogen into which of the following? (multiple answers) a. maltose b. branched oligosaccharides c. sucrose d. glucose e. lactose Ans a. maltose b. branched oligosaccharides Some animals use a combination of supercooling AND controlled ice-foramation outside thier cells to survice cold temperatures. a. true b. false Ans a. true Brown adipose tissue is a thermogenic tissue largely because... a. it cycles Ca2+ across membranes in a futile cycle b. its rete mirabile effectively retains extra heat c. it is highly vascularized d. the electron transport system and ATP synthase activity of its mitochondria are somewhat uncoupled Ans d. the electron transport system and ATP synthase activity of its mitochondria are somewhat uncoupled Which of the following would cause the resting metabolic rate of an ectotherm (e.g. a lizard) to increase (assume no other environmental parameters are changed and that the ambient temperature is 20 deg. C)? a. painting it with a non-toxix white paint b. immersing it in water c. increasing the wind/airflow in the chamber d. placing it under intense lighting Ans d. placing it under intense lighting Which of the following is TRUE of disaccharides in the mammalian digestive tract? (multiple answers) a. salivary amylase hydrolyzes some, or most, disaccharides
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