Order the Steps of Exocytosis

question 93

Multiple Choice

Order the steps of exocytosis:
1) the vesicle membrane fuses with the plasma membrane.
2) the vesicle moves to the plasma membrane.
3) the vesicles contents are released to the extracellular fluid.

• A)1→2→3
• B)1→3→2
• C)2→1→3
• D)2→3→1
• E)3→1→2

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Definitions:

Fovea

A small depression in the retina where visual acuity is highest, due to the high density of cones (photoreceptor cells responsible for color vision).

Opponent-process Theory

A psychological and neurological model that explains a wide range of behaviors, including color vision and emotions, by proposing that elements are usually paired and oppose each other.

Negative Afterimages

Visual illusions that occur after looking at a brightly lit stimulus, resulting in seeing a reversed color (negative) image when the eyes focus on a neutral background.

Trichromatic Theory

A theory of color vision proposing that the human eye has three types of receptors with differing sensitivities to different light wavelengths, corresponding to red, green, and blue colors.