PLANT NUTRATION
Light Energy
6CO₂ + 6H₂O C₆H₁₂O₆+ 6O₂
Chlorophyll
1-Define photosynthesis اﻟﺪﻓﻴﻨﻴﺸﻦ اﺧﺪ
اﻟﺪرس ﰲ ﺣﱴ ﺗﺎﻧﻴﺔ
-What is by meant by photosynthesis? ()أﻧﻄﺮ اﺑﻠﻜﺎش
The process by which plants make (glucose) organic compounds
From: CO₂ and H₂O
Using: Light Energy
Trapped by: Chlorophyll in Chloroplast
Light Energy is converted into Chemical energy stored in glucose
2-Describe photosynthesis
-How photosynthesis takes place
CO₂ diffuses into the leaf through stomata
(O₂):
(CO₂): Down concentration gradient
Into air spaces of spongy mesophyll layer O₂ diffuses out of the leaf through stomata
Into Chloroplast of mesophyll layers Down concentration gradient
Absorbed by roots (root hair cells) from the soil
(H₂O): Then transported up in xylem vessels
Entering mesophyll cells in leaf by osmosis
Is trapped by chlorophyll in chloroplast
Light Energy: Used as source of energy which is converted
into chemical energy stored in glucose
, Fate of glucose C₆H₁₂O₆ اﻟﺠﻠﻮﻛﻮس ﻣﺎ
ﻟﻬﻮش ﻻزﻣﺔ
3- What are the uses of glucose ?
- What is the fate of glucose ?
Used to make
nectar to trap
Glucose is needed to:
insects for
Condenation
reproduction Make starch for storage (starch is insoluble) of glucose
Make cellulose in cell walls
Make sucrose for transport in phloem (sucrose is less reactive than glucose)
Make nectar to trap insects for reproduction
React with nitrates to form amino acids which is needed to make
protein (enzymes , part of cell membrane)
واﺿﺢ ﻳﺎ
ﻓﺎرس
Release energy by respiration
Leaf structure
1 .Cuticle
2 .Upper eppidermis
3 .Palisades mesophyll layer 1. Role in photosynthesis
4 .Spongy mesophyll layer 2. Adaptations
5 .Xylem vessels
6 .Phloem
7 .Stomata
8 .Guard cells
9 .Lower eppidermis
Light Energy
6CO₂ + 6H₂O C₆H₁₂O₆+ 6O₂
Chlorophyll
1-Define photosynthesis اﻟﺪﻓﻴﻨﻴﺸﻦ اﺧﺪ
اﻟﺪرس ﰲ ﺣﱴ ﺗﺎﻧﻴﺔ
-What is by meant by photosynthesis? ()أﻧﻄﺮ اﺑﻠﻜﺎش
The process by which plants make (glucose) organic compounds
From: CO₂ and H₂O
Using: Light Energy
Trapped by: Chlorophyll in Chloroplast
Light Energy is converted into Chemical energy stored in glucose
2-Describe photosynthesis
-How photosynthesis takes place
CO₂ diffuses into the leaf through stomata
(O₂):
(CO₂): Down concentration gradient
Into air spaces of spongy mesophyll layer O₂ diffuses out of the leaf through stomata
Into Chloroplast of mesophyll layers Down concentration gradient
Absorbed by roots (root hair cells) from the soil
(H₂O): Then transported up in xylem vessels
Entering mesophyll cells in leaf by osmosis
Is trapped by chlorophyll in chloroplast
Light Energy: Used as source of energy which is converted
into chemical energy stored in glucose
, Fate of glucose C₆H₁₂O₆ اﻟﺠﻠﻮﻛﻮس ﻣﺎ
ﻟﻬﻮش ﻻزﻣﺔ
3- What are the uses of glucose ?
- What is the fate of glucose ?
Used to make
nectar to trap
Glucose is needed to:
insects for
Condenation
reproduction Make starch for storage (starch is insoluble) of glucose
Make cellulose in cell walls
Make sucrose for transport in phloem (sucrose is less reactive than glucose)
Make nectar to trap insects for reproduction
React with nitrates to form amino acids which is needed to make
protein (enzymes , part of cell membrane)
واﺿﺢ ﻳﺎ
ﻓﺎرس
Release energy by respiration
Leaf structure
1 .Cuticle
2 .Upper eppidermis
3 .Palisades mesophyll layer 1. Role in photosynthesis
4 .Spongy mesophyll layer 2. Adaptations
5 .Xylem vessels
6 .Phloem
7 .Stomata
8 .Guard cells
9 .Lower eppidermis
