Which of the Following Would You Not Find in Mature

question 1

Multiple Choice

Which of the following would you not find in mature secondary xylem?

• A)vascular rays
• B)parenchyma cells
• C)summerwood
• D)cortex
• E)More than one of these are correct.

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Definitions:

Ammonium

A positively charged ion (NH4+) formed by the addition of a hydrogen ion to ammonia, important in nitrogen metabolism.

Nitrate

A polyatomic ion with the chemical formula NO3-, commonly found in fertilizers and an essential nutrient for plant growth.

Plants

Multicellular organisms that typically produce their own food through photosynthesis and have cell walls made of cellulose.

Uptake

The absorption or intake of substances by the cells or biological membranes.