Biology, 25.12.2021 20:00 alexsince4835
Figure 6 is an electron micrograph showing a cross section through a neurone. myelin sheath of a motor neurone. Figure 6 The myelin sheath of this neurone is 250 nm in thickness. (i) Calculate the magnification of this electron micrograph. 1 M
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Biology, 22.06.2019 00:40
World class speed skaters can skate a 3,000-m course in about 4 minutes. what is their average speed for this course. a. 12.5m/s b. 1.33m/s c. 13.3m/s d. 1.25m/s
Answers: 3
Biology, 22.06.2019 03:30
Multicellular organisms use cell division, mitosis, for growth and the maintenance and repair of cells and tissues. single-celled organisms may use cell division as their method of reproduction. regardless of the reason for mitosis, the process ensures genetic continuity. what is the step in the cell cycle that ensure genetic continuity?
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Biology, 22.06.2019 11:30
Which of the following is an eon in the time scale? phanerozoic proterozoic archean all of the above
Answers: 2
Biology, 22.06.2019 12:00
Why is it to call the calvin cycle the light independent reactions vs the dark reactions
Answers: 3
Figure 6 is an electron micrograph showing a cross section through a neurone. myelin sheath of a mot...
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