As part of a class activity, a science teacher blindfolded students and then asked them to touch a 3-D model of a cell.
One student felt a thin, flexible layer around the cell. Another student felt an organelle that had the texture of sandpaper. Which organelle did the first student feel? Which organelle did the second student feel?
The thin external covering is similar to the
. The organelle with a texture like sandpaper is the
.
Answers: 3
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Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.
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As part of a class activity, a science teacher blindfolded students and then asked them to touch a 3...
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