Stress can be measured by the amount of a certain chemical found in saliva. Subjects must be sure to get saliva samples twice a
day at least 1 hour after eating or brushing teeth. In a study of 100 subjects, researchers tried to find a correlation between stress
levels and the wake up time of the individual. Which factor would NOT be an effective control that experimenters should add to
the experiment?

A) subjects are given the same diet
B) subjects are selected in similar age groups
C) subjects are selected with the same occupation
D) subjects are awakened at the same time everyday

Can someone pretty me with this ? it’s urgent.compare the three theories of emotion. here are the three theories of emotion. cannon-bard theory of emotion: the belief that both psychological arousal and emotional experience are produced stimultaneously ( at the same time) by the same nerve stimulus. james-lange theory of emotion: the belief that emotional experience is a reaction to bodily events occurring as a result of an external situation. ( “ i feel sad because i am crying.) schachter-singer theory of emotion: the belief that emotions are jointly determined by a nonspecific kind of psychological (bodily function) arousal and its interpretation, based on environmental ( natural surroundings) cues. which of these theories makes most sense to you? why. your response should be written using proper english spelling and grammar. and it needs to be 10 complete sentences.

Name the organism that belongs to the kingdom protista.

Mrna: gcuaauguc what amino acids does the mrna above code for? what type of amino acids or function are uag, uga, and uaa coding for? which codon (3 letters) signals translation to start and also codes for the amino acid methionine (met)?