DATA SET 1: Wound healing and mitotic rates in che damaged cornea of a mouse. The level of DNA replication in corneal epithelial cells in mice is high in the morning and low in the afternoon/evening. As a consequence, injury in che morning is expected to lead to accelerated entry into mitosis and wound repair compared co injury in the afternoon/evening. Shaded areas indicate dark periods and ZT stands for Zeitgeber Time (24 hour period). 350, 300- 250- 200어 150- 100- 50- Healing-accelerating phase Healing-delayohase 0+ 19 22 1 4 7 7 11 14 18 ZT O Mitosis rates can vary throughout the day OCells are abnormally shaped O Cells undergo mitosis at different rates depending on the environment ) Cells go through mitosis to heal O Cells grow at different densities Total number of dividing cells
DATA SET 1: Wound healing and mitotic rates in che damaged cornea of a mouse. The level of DNA replication in corneal epithelial cells in mice is high in the morning and low in the afternoon/evening. As a consequence, injury in che morning is expected to lead to accelerated entry into mitosis and wound repair compared co injury in the afternoon/evening. Shaded areas indicate dark periods and ZT stands for Zeitgeber Time (24 hour period). 350, 300- 250- 200어 150- 100- 50- Healing-accelerating phase Healing-delayohase 0+ 19 22 1 4 7 7 11 14 18 ZT O Mitosis rates can vary throughout the day OCells are abnormally shaped O Cells undergo mitosis at different rates depending on the environment ) Cells go through mitosis to heal O Cells grow at different densities Total number of dividing cells
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:Read the information below, select all of the valid (true) information that can be gathered from this graph and caption. (More than one correct answer)
DATA SET 1: Wound healing and mitotic rates in
the damaged cornea of a mouse. The level of
DNA replication in corneal epithelial cells in
mice is high in the morning and low in the
afternoon/evening. As a consequence, injury in
the morning is expected to lead to accelerated
entry into mitosis and wound repair compared
to injury in the afternoon/evening. Shaded
areas indicate dark periods and ZT stands for
Zeitgeber Time (24 hour period).
350,
300-
250-
200-
150-
100-
50-
Healing-accelerating phase
0+
19
Healing-delayphase
22
1
4 7 11
14
18
ZT
O Mitosis rates can vary throughout the day
O Cells are abnormally shaped
O Cells undergo mitosis at different rates depending on the environment
O Cells go through mitosis to heal
O Cells grow at different densities
Total number of dividing cells
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