#Question id: 27511
#Unit 2. Cellular Organization
Which of the following is true when a Intercalation of ethidium ion into the DNA takes place
a. It unwind the two base pair by 260
b. Reduces the normal rotation per base pair from 360 to 100
c. Increases the normal rotation per base pair from 100 to 360
d. It first removes the negative supercoils and then introduces positive supercoils
#Question id: 31063
#Unit 2. Cellular Organization
#Question id: 1614
#Unit 4. Cell Communication and Cell Signaling
The membrane attack complex consists of:
#Question id: 11073
#Unit 7. System Physiology – Animal
The respiratory passageways have smooth muscle in their walls. Which of the following best describes the effect of acetylcholine and epinephrine on the respiratory passageways?
#Question id: 33516
#Unit 2. Cellular Organization