Sclerenchyma fibers Cuticle mesophyl mesophy
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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Question
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Please help to Label this I’m stuck
Transcribed Image Text:ていてCLE -thin red layper en fop
EPIDERMIS- one layer of
just below ereways" cells
PALISA DE MESOPHYLL
Columns)
ch loroplasts(aon
pink núclei
- lofs
due to stain)
middle cells with
chloro PHYLL
SPONGY MESOPAYLL
(air pockets)
scOa coming in from stomata
Oz
Pointer is in air spaces
going out after
photosyirthesis Cbut much
Oz is ušed by plant's
mitochondria for A, C,R),
STOMA on lower surface
Cunder pointer st closed-
with
guard kells
Thin, waxy secretion
nutside of epidermis
(upper +' lewer)
(V5.HzO loss
Cuticle
invasion by
pathogens
Upper epidermis
No chloroplasts
Palisade
mesophyll cell
Bundle sheath cell
-Vascular
bundle
(a"vein")
Vein<
Xylem
Phloem
Chimplasts
Guard cell-
has
Lower epidermis
Spongy
mesophyll cells
Stoma
Cuticle
So CO,0z and water vapor 2
Top?
>which cuficle is thickeroTeM? can circulate t reach all2
Eudicot Leaf Anatomy This three-dimensional cells
why
1 diagram shows a section of a eudicot leaf.
* where COz enters, and Oz ot HzO exit
817
Transcribed Image Text:cle, upper epidermis, palisade mesophyll, spongy mesophyll, vein (vascular tissue} maae ap
of xylem, phloem) air spaces, lower epidermis, guard cells, stoma. OBSERVE.
Sclerenchyma
fibers
Cuticle
mesophyl
mesophyl
Vein
spaces
cells
cells
100 um
t0n Transverse section of a lilac
(Syringa) leaf (LM)
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