At the "Source" End of the Phloem, Sugar Loaded into the Phloem

question 169

Multiple Choice

At the "source" end of the phloem, sugar loaded into the phloem draws water into the sieve tubes by osmosis, raising the pressure. What happens to the water at the sink end?

• A)It follows the sugars out of the sieve tubes, via osmosis.
• B)If the sugars are used for growth, the water can become incorporated in newly created or expanded cells.
• C)If the sugars go into storage (polymerized as starch), the water may be drawn back into the xylem.
• D)After sugars leave the sieve tubes, the water diffuses back toward the source region.

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Definitions:

Pricing

The process of determining the value at which a product or service will be sold to consumers.

Marketing Mix

Refers to the set of actions, or tactics, a company uses to promote its brand or product in the market, traditionally encompassed by the four Ps: Product, Price, Place, and Promotion.

Commoditized Markets

Markets where the products available from different suppliers are so similar that they are interchangeable and competition is primarily based on price.

Buying Allowance

A promotional or pricing strategy where buyers are given a specific discount or allowance on bulk purchases.