BIO 353 Exam 1 Quiz Review with
Correct Answers
Rainbow trout captured and brought into a lab aquarium undergo a chronic adjustment to the conditions
in the lab. This process is called - Ans:-acclimation
If a change in voltage of a cell membrane causes all the voltage gated Na+ channels to open...
Which response is the longest lasting? - Ans:✔✔-Evolutionary respnse
Per gram, the leopard frog can jump further per jump compared to the western toad because the
leopard frog - Ans:✔✔-creates more lactic acid per unit time
Which statement regarding animals is true? - Ans:✔✔-All animals require energy to maintain their
organization
A specialized site of contact with one neuron with another neuron (or effector) is known as a - Ans:✔✔-
synapse
Which of the following transmits information the fastest? - Ans:✔✔-electrical synapse
The separation of positive and negative charges constitutes a - Ans:✔✔-voltage
In an electrical synapse, the main structure responsible for transmission of an impulse from one cell to
the next is a - Ans:✔✔-gap junction
Once acetylcholine is released into the synapse it - Ans:✔✔-is broken down by acetylcholinesterase
For an axon at resting membrane potential, the K+ leak channel is _______, the voltage-gated Na+
channel is _______, and the voltage-gated K+ channel is _______. - Ans:✔✔-open; closed; closed
In a cell, the difference in ion concentration between the intracellular and extracellular fluids result from
- Ans:✔✔-BOTH active ion transport AND passive diffusion of ions
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