What technique detects brain voltage (electrical activity) fluctuations?
a. molecular biology techniques using brain tissue
b. x-rays
c. positron emission tomography (PET)
d. electroencephalograph (EEG)
e. functional magnetic resonance imaging (fMRI)
d
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If the yellow mottle virus begins its infection of a cell by using its genome as mRNA, which of the following would you expect to be able to measure?
A) replication rate B) transcription rate C) translation rate D) accumulation of new ribosomes E) formation of new transcription factors
A helix is one possible ____ structure of ____
a. primary; proteins b. primary; carbohydrates c. primary; lipids d. secondary; proteins e. tertiary; proteins
When the hormone erythropoietin is released in response to low oxygen levels, where is it transported to stimulate red blood cell production?
A) kidney B) spleen C) red bone marrow D) liver E) throughout plasma
Smooth muscle contracts when calcium binds to __________ and activates __________
Fill in the blank(s) with the appropriate word(s).