| 单词 | chlorophyll a |
| 例句 | Green algae contain the same carotenoids and chlorophyll a and b as land plants, whereas other algae have different accessory pigments and types of chlorophyll molecules in addition to chlorophyll a. Fundamentals of Biology 2015-01-01T00:00:00Z All photosynthetic organisms contain a pigment called chlorophyll a, which humans see as the common green color associated with plants. Concepts of Biology 2013-04-25T00:00:00Z The light excites an electron from the chlorophyll a pair, which passes to the primary electron acceptor. Biology for AP Courses 2022-06-09T00:00:00Z All plants are eukaryotes, have cell walls containing cellulose, and undergo photosynthesis using chlorophyll a and b. Miller & Levine Biology 2018-01-01T00:00:00Z However, the addition of both nitrogen and iron increased concentrations of chlorophyll a by up to approximately 40-fold, led to diatom proliferation, and reduced community diversity. Nutrient co-limitation at the boundary of an oceanic gyre 2017-10-31T04:00:00Z The researchers compared these data with the region’s concentrations of chlorophyll a, a type of chlorophyll that often serves as a proxy for biological activity within the oceans. Tiny sea creatures are making clouds over the Southern Ocean 2015-07-17T04:00:00Z The most common and abundant pigment is chlorophyll a. Concepts of Biology 2013-04-25T00:00:00Z The reaction center contains a pair of chlorophyll a molecules with a special property. Biology for AP Courses 2022-06-09T00:00:00Z The more phytoplankton there are in an area of ocean, the more chlorophyll a there is and the darker the area appears from space. Ocean Science: The power of plankton 2012-02-29T18:21:22.477Z Chlorophylls b and c are found in fewer organisms and absorb light in a similar range as chlorophyll a does, but shifted a bit. Chlorophyll Gets an ?f? 2010-08-23T14:29:00Z As has been mentioned, chlorophyll a differs from chlorophyll b by having one more oxygen and two less hydrogen atoms in the molecule, and in having one of its nitrogen atoms in the "lactam" arrangement. The Chemistry of Plant Life Pigments in the light- harvesting complex pass light energy to two special chlorophyll a molecules in the reaction center. Biology for AP Courses 2022-06-09T00:00:00Z The absorbed energy travels to the reaction center of the antenna pigment that contains chlorophyll a and boosts chlorophyll a electrons to a higher energy level. Biology for AP Courses 2022-06-09T00:00:00Z The energy travels to the reaction center that contains chlorophyll a and then to the electron transport chain, which pumps hydrogen ions into the thylakoid interior. Biology for AP Courses 2022-06-09T00:00:00Z |
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