Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:### Question
Which substance, needed for protein synthesis, is carried into a leaf from the stem?
#### Options:
- ○ starch
- ○ carbon dioxide
- ○ oxygen
- ○ nitrate
---
### Explanation
This is a multiple-choice question that asks about the transportation of substances within plants, specifically those involved in protein synthesis. Protein synthesis in plants requires nitrogen, and nitrates are the form of nitrogen that plants absorb from the soil and transport to leaves via the stem. Understanding the correct answer requires knowledge of plant physiology, particularly the role of different molecules in nutrient transport and usage within the plant.
#### Correct Answer
The correct answer to this question is "○ nitrate" because nitrates are essential for protein synthesis and are transported to the leaves from the stem.
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