When the sympathetic nervous system is triggered glycogen is broken down to glucose to provide more energy.
a. true
b. false
Answer: a. true
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The Calvin cycle
A) is responsible for the fixation of CO2 into cell material. B) utilizes both NAD(P)H and ATP. C) requires both ribulose bisphosphate carboxylase and phosphoribulokinase. D) uses CO2, NAD(P)H, and ATP to make biomass with ribulose bisphosphate carboxylase and phosphoribulokinase.
Birds are the only modern amniotes with ____
a. wings b. feathers c. a four-chambered heart d. ectothermic metabolism e. more than one of these
In the section "Investigating Life: Size Matters in Fishing Frenzy", historically fishermen kept larger fish and left smaller juvenile fish. Over time the average size of the fish would
A. increase by natural selection. B. decrease by genetic drift. C. decrease by natural selection. D. increase by genetic drift. E. remain unchanged.
The chemical differences between one amino acid and another is due to which of the following?
a) Amino group b) Carboxyl group c) R group d) Peptide bond e) Carbon atoms