Biology, 04.11.2019 21:31 allstar976
Which of the answer choices is an advantage of having two slightly different photosystems in the chloroplasts? a) cells are able to use light energy at twice the maximum efficiency predicted for cells with a single photosystem. b) the electrons can be elevated to a higher energy level than is possible with a single photosystem. c) twice as many electrons can be excited by a given amount of light energy. d) cells are able to use both blue and green wavelengths of light for photosynthesis.
Answers: 3
Biology, 21.06.2019 17:00
How many trophic levels are there in the following food chain? phytoplankton - shrimp - perch - pike - osprey
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Epinephrine is a hormone released from the adrenal gland of the body, most often in a stressful situation. it is known as the "fight-or-flight" hormone. one way that it causes a response in the body is to activate receptors on muscle cells. where are these cellular receptors located? a. on the cell membrane b. in the nucleus c. on the cell wall d. around the mitochondria
Answers: 1
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What are some possible short and long term medical concerns for crew members on longer space exploration trips
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Biology, 22.06.2019 03:40
Organisms that successfully adapt will leave to grownone of the above
Answers: 1
Which of the answer choices is an advantage of having two slightly different photosystems in the chl...
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