Biology, 12.07.2019 12:00 mandyt6058
The concentration of calcium inside a cell is 0.3%. the concentration of calcium outside the cell is 0.1%. how could the cell transport even more calcium to the inside?
Answers: 1
Biology, 21.06.2019 15:40, mktdonaldson
Aneuron is stimulated with an electric pulse. the action potential is detected at a point 3.70 cm down the axon 0.0052 s later. when the action potential is detected 7.20 cm from the point of stimulation, the time required is 0.0063 s. what is the speed of the electric pulse along the axon? (why are two measurements needed instead of only one? )
Answers: 2
Biology, 22.06.2019 10:30, imalexiscv
Coral have a symbiotic relationship with what in order to eat?
Answers: 2
Biology, 22.06.2019 11:00, ayoismeisalex
Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.
Answers: 1
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