A positive energy balance occurs when ________.
A. daily energy expenditure balance the calorie intake over time
B. calorie intake is greater than daily energy expenditure over time
C. you lose weight
D. daily energy expenditure is greater than the calorie intake over time
Answer: B
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When hemoglobin is saturated with oxygen atoms it is termed
A) carbaminohemoglobin. B) deoxyhemoglobin. C) oxyhemoglobin. D) hemolyzed. E) sickle hemoglobin.
Which of the labeled papilla houses 100—300 taste buds each?
v a) A b) B c) C d) D e) Both A and D
In the case of most neurons, the arrival of a nerve impulse at the terminal bouton immediately triggers
A) long-lived effects at the synaptic membrane. B) a change in the permeability of the postsynaptic plasmalemma. C) release of ACh at the presynaptic membrane. D) an action potential. E) generation of an action potential in the axon.
The organelle that protects cells from the damaging effects of medications and toxins is the ________.
A. smooth endoplasmic reticulum B. microtubule C. secretory vesicle D. mitochondria E. ribosome