Phytochrome, plays an important role in flowering in many plants. It can also be used to determine when lettuce seeds germinate (shown in the figure belowWhat is phytochrome likely doing in the lettuce seeds? Activating abscisic acid production Activating inhibitors of germination Inhibiting gibberellin synthesis Turning on germination-related genes METHOD Expose lettuce seeds to alternate periods of red light R for 1 minute andfar-red light FR for 4 minutes.RRFR***RFR RFR RFR R RFR RFR RFR RFRRESULTSABCDMost germinate Few germinateMost germinateFew germinate

Phytochrome Phytochrome is a type of photoreceptor which is present in the plants, bacteria, and…

Answered: hytochrome, plays an important role in…

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter37: Reproduction In Flowering Plants

Section: Chapter Questions

Problem 3TYU

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Phytochrome, plays an important role in flowering in many plants. It can also be used to determine when lettuce seeds germinate (shown in the figure below

What is phytochrome likely doing in the lettuce seeds?

		Activating abscisic acid production
		Activating inhibitors of germination
		Inhibiting gibberellin synthesis
		Turning on germination-related genes

METHOD Expose lettuce seeds to alternate periods of red light R for 1 minute and
far-red light FR for 4 minutes.
R
RFR
***
RFR RFR RFR R RFR RFR RFR RFR
RESULTS
A
B
C
D
Most germinate Few germinate
Most germinate
Few germinate

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