A bowl of sugar water is very stable. If you feed it to cells it is rapidly broken down into carbon dioxide, water, and ATP. What is the best explanation for this reaction?
What will be an ideal response?
enzymes in the cell catalyze the breakdown of glucose
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How are association studies different from the typical studies, which attempt to link a DNA marker to
a trait? A. Different types of DNA markers are employed. B. More DNA markers are analyzed simultaneously. C. Unrelated individuals are studied rather than families. D. Much larger family groups over more generations are studied. E. A broader description of the trait is employed.
Raising the K+ level in the extracellular fluid to 150 mmol/l would have what effect on the action potential?
a. The neuron would not depolarize. b. The neuron would hyperpolarize (become more negative than normal). c. The neuron would not repolarize after the depolarization. d. There would be no effect on the action potential.
If a drug inhibits the uptake of an excitatory neurotransmitter after it has been released into the synaptic cleft, what is
the most likely result?
a. an increased number of IPSPs b. an increased number of EPSPs c. a prolonged hyperpolarization d. a decreased number of IPSPs e. a decreased number of EPSPs
Which one of the following lists the bones of the arm from the fingertips to the shoulder joint?
A) humerus, radius and ulna, carpals, metacarpals, phalanges B) phalanges, metacarpals, carpals, radius and ulna, humerus C) phalanges, carpals, metacarpals, radius and ulna, humerus D) phalanges, metacarpals, carpals, humerus, radius and ulna E) radius and ulna, humerus, carpals, metacarpals, phalanges