Because there will be no bias if the reasearcher knows which drug is being given and the subject wont know what they are being given so both may assume that the subject is going to feel happier and expect to have an elevated mood and relieve feelings of depression. Hope this helps :)
Answer:
This question is incomplete
Explanation:
This question is incomplete. However, let's understand some terms
Activation energy is the minimum amount of energy required for a reaction to proceed. Under normal condition, when the activation energy is high, it takes longer for the reaction to proceed than when it is low.
The burning of marshmallow is an exothermic reaction as it involves the transfer of heat energy into the environment.
Eukaryotic cells is the answer. Prokaryotic DO NOT have a nucleus
I think the one that is mismatched is the; Exotoxin-released upon breakdown of gram negative bacteria. Exotoxins are toxins that are secreted by gram positive bacteria and can cause damage to the host by destroying cells or disrupting normal cellular metabolism. Endotoxins on the other hand are toxins that are lipopolysaccharide of the outer membrane of gram negative bacteria.