In Their Study of the Madagascar Lace Plant,how Did the Researchers

question 20

Multiple Choice

In their study of the Madagascar lace plant,how did the researchers establish that the holes were formed through programmed cell death?

• A)They tested for apoptosis using the TUNEL assay.
• B)They found suberin around the margins of the holes.
• C)They found no nutrients in the cells forming the hole.
• D)They tested for a waxy substance that triggered programmed cell death.

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Definitions:

Wavelength

The distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave.

Saturation

Vividness or purity of color; the dimension of visual experience related to the complexity of light waves.

Visual Stimulus

Any object or event that is seen and stimulates the visual sense, potentially eliciting a response.

Signal-detection Theory

A theory that explains how individuals differentiate between important stimuli and background noise in the environment.