3. In 2010, NASA sent Arabidopsis seeds to the International Space station and grew them under zero gravity conditions. To their surprise, the plants germinated and developed shoot and root systems growing in opposite directions and the root showed patterns of normal root growth behavior. What might this suggest about gravity's role in plant seed germination and development and how do you think plants were able to diversify shoot and root systems without gravity?
3. In 2010, NASA sent Arabidopsis seeds to the International Space station and grew them under zero gravity conditions. To their surprise, the plants germinated and developed shoot and root systems growing in opposite directions and the root showed patterns of normal root growth behavior. What might this suggest about gravity's role in plant seed germination and development and how do you think plants were able to diversify shoot and root systems without gravity?
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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Please answer question 3
Transcribed Image Text:exogenous application of ABA and another type that cannot. Explain why ABA absence would promote vivipary and how the two
types could be explained in terms of gene expression?
3. In 2010, NASA sent Arabidopsis seeds to the International Space station and grew them under zero gravity conditions. To their
surprise, the plants germinated and developed shoot and root systems growing in opposite directions and the root showed patterns of
normal root growth behavior. What might this suggest about gravity's role in plant seed germination and development and how do
you think plants were able to diversify shoot and root systems without gravity?
4. Plants that are first germinated and grown in a greenhouse and then transplanted to the field, do not fare as well as plants grown
outside. In fact, greenhouse plants appear weaker and tend to break more than outside plants. Hypothesize and explain a reason for
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