Nagata Et Al

question 29

Multiple Choice

Nagata et al.(2012) were interested in the neural mechanisms Adanson's jumping spiders use for depth perception.They found that the spiders ______.

• A)use color information but not depth perception
• B)see in depth by coordinating information from across their many eyes
• C)compare images on different levels of their retinae to determine depth
• D)use the comparison of their vision and their jump to infer distance

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Definitions:

Intracellular Buffer System

Mechanisms within cells that regulate pH levels, preventing significant variations that could otherwise interfere with cellular function.

Sodium-Potassium Pump

A cellular mechanism that moves sodium ions out of and potassium ions into a cell against their concentration gradients, essential for cellular functions.

Carbonic Acid/Bicarbonate System

A major buffer system in the blood, maintaining the body's pH balance by regulating carbon dioxide (CO2) and bicarbonate (HCO3-) levels.

Blood Ph

A measure of the acidity or alkalinity of blood, with a normal range typically between 7.35 and 7.45.