Research current topics in increasing crop yields related to increasing photosynthetic efficiency. Research topics may include specific research on C3, C4, and CAM plants. What type of photosynthetic pathways do our major plant crops carry out (the major crops are soy, rice, corn, and wheat)?
Research current topics in increasing crop yields related to increasing photosynthetic efficiency. Research topics may include specific research on C3, C4, and CAM plants. What type of photosynthetic pathways do our major plant crops carry out (the major crops are soy, rice, corn, and wheat)?
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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2) Research current topics in increasing crop yields related to increasing photosynthetic efficiency. Research topics may include specific research on C3, C4, and CAM plants. What type of photosynthetic pathways do our major plant crops carry out (the major crops are soy, rice, corn, and wheat)?
Expert Solution
Step 1
The differences between C3, C4 and CAM pathways are as follows
CHARACTERSTIC | C3 | C4 | CAM |
Kranz anatomy | Absent | Present | Absent |
Initial carobondioxide acceptor | Riboluse-1,5-bisphosphate (RuBP) | Phosphenol pyruvate (PEP) | Phosphenol pyruvate (PEP) |
Photorespiration | Present | Absent | Present in afternoon |
Carboxylating enzymes | RuBP carboxylase | PEP Carboxylase (mesophyll cells), RuBP carboxylase (bundle sheath) | PEP Carboxylase (in dark), RuBP carboxylase (in light) |
First stable product formed | 3-phosphoglyceric acid | Oxaloacetate (OAA) | Oxaloacetate (OAA) |
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