Biology
Biology, 26.07.2019 07:30, nadiarose6366

In the fall, the leaves of some trees change color. this happens because chlorophyll breaks down and the accessory pigments become visible. what hormone is responsible for this? in the fall, the leaves of some trees change color. this happens because chlorophyll breaks down and the accessory pigments become visible. what hormone is responsible for this? cytokinin ethylene abscisic acid phototropin

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English, 22.06.2019 02:30, itsstaytay200
Read sentence 13 from the draft. some plants retain a great deal of their foliage through much of the spring and summer, but the leaves do not retain their green color for long. which detail would be best to add after sentence 13 to develop the topic? a. since the green color of the leaves that are bright and abundant during the warmer months will disappear by the time it is fall, it is important that the leaves are trimmed and kept freshly cut so that they will last for as long as possible. b. while the temperature outside may dictate when the fall colors of leaves appear, it is only one of many environmental factors that play a part in the changing of colors from green leaves to fall-colored leaves during the cooler months. c. if people want to enjoy the green color of leaves longer, trees should be planted where the environment is warmer and the days longer because chlorophyll in the leaves can only be manufactured and replaced with sunlight and warmth. d. the green chlorophyll normally masks the fall-colored pigments during the warmer months, but as sunlight becomes less abundant and trees become frozen, the fall colors of leaves become more visible as chlorophyll disappears.
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Biology, 22.06.2019 03:00, babygirlqueen5588
Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.
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Biology, 21.07.2019 16:50, 20hadams
Carotenoids are red, orange, or yellow pigments found in many plants. usually we see these accessory pigments only in the fall. why aren't the red, orange, and yellow colors visible all year long? a) the carotenoids have much less energy than chlorophyll. b) the accessory pigments only absorb light; they do not reflect light. c) chlorophyll is more abundant in the leaves and masks the accessory pigments. d) plants only reflect wavelengths of visible light that represent the color green.
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Biology, 09.10.2019 23:30, s27511583
Why do some leaves change color (red, yellow, orange, etc.) in the fall? the chlorophyll molecule breaks down and other pigments now become visible. the chlorophyll molecule is modified to absorb different wavelengths of light. cold weather denatures the chlorophyll molecule, and it begins to reflect different colors. when leaves die, the chlorophyll molecules are no longer visible?
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