Because a steroid hormone is nonpolar, it ____.
A. must be transported across a cell membrane with a receptor molecule
B. is equipped with specific receptor molecules
C. can dissolve in blood
D. can diffuse directly across a cell membrane
E. is an inhibiting hormone
Answer: D
You might also like to view...
Effective treatment of gas gangrene primarily involves
A. use of an antitoxin. B. use of immune globulins. C. vaccination with inactivated toxin. D. surgical removal of dead and infected tissues.
Systemic acquired resistance is
A. a broad-ranging resistance that lasts for a period of days. B. the same as the human immune response. C. a response whereby antibodies recognize specific antigens. D. a response that occurs when the hypersensitive response fails. E. a method for plants to modify their DNA for protection.
Diabetes type ________ occurs when the pancreas cannot produce enough insulin
Fill in the blank(s) with correct word
If Meselson and Stahl let replication proceed for one more round of replication (3 rounds) what fraction of the daughter DNA molecules would be of intermediate density?
A: None B: ½ C: ¼ D: 1/8