In a healthy, alert adult sitting with their eyes closed, the dominant EEG rhythm observed with electrodes over the occipital lobes is:

#Question id: 1581

#I Life Science/ Life Sciences Group – I-V

An otherwise healthy student in your class is infected with EBV, the virus that causes infectious mononucleosis. The same student had already been infected when she was a child, and she had merely experienced a mild sore throat and swollen lymph nodes in her neck. This time, though infected, she does not get sick. 

Her immune systemʹs recognition of this infection will involve which of the following?

#Question id: 1755

#SCPH05 I Biotechnology

Prior to class switching, B-cells express:

#Question id: 3896

#SCPH06 I Botany

Which one of the following is not involved in steroid hormone action?

#Question id: 384

#SCPH05 I Biotechnology

A solution was prepared by dissolving 0.02 moles of acetic acid (HOAc; pKa = 4.8) in water to give 1 liter of solution. What is the pH? To this solution was then added 0.008 moles of concentrated sodium hydroxide (NaOH). What is the new pH? (In this problem, you may ignore changes in volume due to the addition of NaOH).

#Question id: 7751

#SCPH06 I Botany