Answer:
To determine that electric beams in cathode ray tubes were actually made of particles
Explanation:
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Answer:
The placebo effect
Explanation:
The placebo effect in psychology refers to a situation in which participants in a research receive beneficial effects due to the administration of an inactive substance or a sham treatment. The positive beneficial effect received can then be attributed purely to believe and not to the treatment itself. A placebo treatment could produce a real healing effect like a true medical or psychological treatment.
The participants who received the sugar believed it to be a memory enhancing treatment hence the slight increase in memory capacity due to placebo effect.
A - the spindle from the kinetochores that attaches to the chrs and pulls them towards the poles is a microfilament.
Amino Group, Carboxyl Group, and the R group