DQ#6-Regulation:Responses1.In order to respond to a stimulus in the environment what must an organism do?An organism must receive the signal from the environment, then translate it into the response.2.Explain the role of phytochromes in determining plant responses to the environment. What is the stimulus that phytochromes respond to? How is the structure of a phytochrome related to its function?Phytochromes respond to light. They are able to determine responses of photosynthesis rates by how much light they detect.3.Explain how jet lag results from disruption of normal feedback loops at work in determining the circadian rhythms of humans. When the 24 hour circadian rhythm is changed by not allowing it to continue on the track of 24 hours, then the feedback loop is disrupted.4.Explain the function of taxis in motile organismsTaxis determines the motion or orientation of a cell. Motile organisms are normally unicellular.
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Biology, 22.06.2019 01:00
Acquired mutations can result from radiation pollution toxins inheritence select all that apply
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Biology, 22.06.2019 04:00
The wings of insects, birds, and bats evolved independently but carry out similar functions. this is an example of a. analogous structures. b. embryonic structures. c. vestigial structures. d. homologous structures.
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Biology, 22.06.2019 06:20
(select all the correct choose each statement that is scientific. - the opinions of randomly selected participants in a survey prove the idea that global temperatures are not increasing on earth. - the universe's average temperature and rate of expansion support the idea that it began as one super-dense and hot mass 13.8 billion years ago. - ocean tides are caused by the uneven gravitational pulls of the moon and sun on different parts of earth. - human life is more valuable than other forms of life on earth because humans are more intelligent than other organisms.
Answers: 3
DQ#6-Regulation:Responses1.In order to respond to a stimulus in the environment what must an organis...
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