Can hormonal changes/imbalances cause heart palpitations?.

Females who lift weights are not going to develop large, bulky muscles because a. they have more muscle fibers than men b. they have thicker muscle fibers than men c. they have lower testosterone levels than men d. all of the above does not change length

What is crystallographic data processing and structure determination? what are the physical infrastructures of x-ray crystallographic structural biology? who can tell me detailed information? any would be appreciated. in advance!

After examining mohammad and ordering and reviewing the results of an ecg test, dr. williams indicates that mohammad’s heart appears to be normal. what factors might be contributing to mohammad’s episodes of tachycardia?