Which of the Following Supports the Finding That Sugar Translocation

question 29

Multiple Choice

Which of the following supports the finding that sugar translocation in phloem is an active (energy-requiring) process?

• A) Sucrose occurs in higher concentrations in companion cells than in the mesophyll cells where it is produced.
• B) Movement of water occurs from xylem to phloem and back again.
• C) Strong pH differences exist between the cytoplasm of the companion cell and the mesophyll cell.
• D) ATPases are abundant in the plasma membranes of the mesophyll cells.

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Definitions:

Debt Ratio

The debt ratio is a financial ratio that measures the extent of a company’s leverage, indicated by dividing total liabilities by total assets.

Quick Ratio

A liquidity ratio that measures a company's ability to meet its short-term obligations with its most liquid assets, excluding inventories.

Immediate Liquidity

The ability of a company to quickly convert its assets into cash to meet short-term financial obligations.

Interest Coverage Ratio

A financial metric used to determine how easily a company can pay interest on outstanding debt with its earnings before interest and taxes.