Which statement best describes the plasma membrane of a living plant cell?
The plasma membrane of a plant cell is
a
designed to allow certain substances to enter and certain substances to exit the cell.
b
composed of two layers of proteins with floating molecules of lipids only.
c
composed of two layers of proteins and carbohydrates only.
d
designed to allow for the free flow of all protein substances to move into and out of the cell.
a
designed to allow certain substances to enter and certain substances to exit the cell.
Chlamydia is a sexually transmitted disease that is caused by a bacterium called Chlamydia trachomatis.
Which of these are characteristics of the infectious agent that causes chlamydia?
a
Unicellular organism that can only replicate inside of other organisms
b
Unicellular organism that is a prokaryote.
c
Non-living particle that replicates only inside of other organisms
d
Non-living particle that contains DNA or RNA
a
Unicellular organism that can only replicate inside of other organisms
b
Unicellular organism that is a prokaryote.
The correct statement is:
a) The plasma membrane of a plant cell is designed to allow certain substances to enter and certain substances to exit the cell.