Which Cells Communicate with and Provide Metabolic Functions for Sieve

question 196

Multiple Choice

Which cells communicate with and provide metabolic functions for sieve tube elements?

• A) Collenchyma
• B) Cortical parenchyma
• C) Xylem cells
• D) Companion cells
• E) Guard cells

---

Definitions:

Stock Acquisition

The process of purchasing shares of a company, thereby obtaining a portion of its ownership.

Voting Control

The power to influence or determine outcomes within an organization or governing body through the right to vote.

Commerce Clause

A provision in the U.S. Constitution that grants Congress the power to regulate trade between states, with foreign nations, and among Indian tribes.

Wickard V. Filburn

A landmark Supreme Court case in 1942 that greatly expanded the power of the federal government to regulate economic activity under the Commerce Clause.