A Weightlifter Decides to Try Taking Steroids to Improve His

Multiple Choice

A weightlifter decides to try taking steroids to improve his performance level. Following a month of use, he notes that the steroids have had no effect on his performance. Which of the following is the most likely reason for this?

A) The steroid hormone did not enter the nucleus and could not bind to the hormone response element.
B) The steroid hormone did not bind to the receptors at the cell surface and no signal transduction cascade was initiated.
C) The steroid hormone did no bind to the hormone receptor and the hormone response element was not activated.
D) The protein needed to transport the steroid hormone into the cell was not present at the cell membrane.