In the Late 1870s,Charles Darwin and His Son Francis Discovered

question 44

Multiple Choice

In the late 1870s,Charles Darwin and his son Francis discovered that if the tip of the grass was covered,phototropism did not occur,even though the rest of the grass was exposed to light.However,if the rest of the plant was covered and only the tip exposed to light,the grass bent a few centimeters below the tip.Which of the following was sensing the light?

• A) auxin-detecting cells in the tip of the grass
• B) auxin-detecting cells a few centimeters below the tip of the grass
• C) auxin-producing cells a few centimeters below the tip of the grass
• D) auxin-producing cells in the tip of the grass

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Definitions:

Downtime

The period during which an operation, system, or machine is not functional or productive.

Just-In-Time (JIT)

Continuous and forced problem solving via a focus on throughput and reduced inventory.

Inventory

A company's stock of goods, materials, and products held to fulfill future sales or production needs.

Product-Based Definition

Characterization of a product strictly in terms of its physical attributes and features.