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,...
Related questions
Question
Do the bottom diagram
Find all th calculations
Micrograph width is 0.2mm at 400x
Draw a micrograph diagram and calculations
![Zea mays (corn, a monocot) leaf cross section,
100X.
В
A = spongy mesophyll; B = upper epidermis; C
= upper cuticle; D = xylem; E = vein; F =
phloem; G = lower cuticle; H = stoma, I =
guard cell, J = lower epidermis
Function:
The spongy mesophyll has air spaces for gas
exchange and produces carbohydrates by
photosynthesis. The upper and lower cuticle
protect the leaf from water, sealing water inside
and preventing excess rainwater from entering.
The upper and lower epidermis produce the
cuticle and protect the leaf from herbivores and
parasites. The xylem transports water into the
leaf while the phloem begins the sugar
transport down to the roots. The guard cells
open and close the stoma, which is the small air
space between them.
E-
Tissue Breakdown:
Epidermal tissue: epidermis.
Ground tissue: spongy mesophyll.
Vascular tissue: xylem and phloem.
Meristem tissue: none (leaves do not grow new
leaves).
F
C
At 40X, micrograph width = 2 mm; at 100X,
micrograph width = 0.8 mm; at 400X,
micrograph width = 0.2 mm; at 1000X,
micrograph width = 0.08 mm.
A
J G](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F17fd17d6-1260-468d-a4e7-bf010d406cb2%2Fbacf9df8-48a2-4a34-8ec5-7037539c2c85%2F5rh253i_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Zea mays (corn, a monocot) leaf cross section,
100X.
В
A = spongy mesophyll; B = upper epidermis; C
= upper cuticle; D = xylem; E = vein; F =
phloem; G = lower cuticle; H = stoma, I =
guard cell, J = lower epidermis
Function:
The spongy mesophyll has air spaces for gas
exchange and produces carbohydrates by
photosynthesis. The upper and lower cuticle
protect the leaf from water, sealing water inside
and preventing excess rainwater from entering.
The upper and lower epidermis produce the
cuticle and protect the leaf from herbivores and
parasites. The xylem transports water into the
leaf while the phloem begins the sugar
transport down to the roots. The guard cells
open and close the stoma, which is the small air
space between them.
E-
Tissue Breakdown:
Epidermal tissue: epidermis.
Ground tissue: spongy mesophyll.
Vascular tissue: xylem and phloem.
Meristem tissue: none (leaves do not grow new
leaves).
F
C
At 40X, micrograph width = 2 mm; at 100X,
micrograph width = 0.8 mm; at 400X,
micrograph width = 0.2 mm; at 1000X,
micrograph width = 0.08 mm.
A
J G
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