Download A) cell wall B) molecules C) plasma membrane D) protein 1. Which

1. Which cellular organelle is represented by the diagram
below?
2. Which statement best describes the plasma membrane of
a living plant cell?
A) It selectively regulates the passage of substances
into and out of the cell.
B) It is composed of proteins and carbohydrates only.
C) It has the same permeability to all substances found
inside or outside the cell.
D) It is a double protein layer with floating lipid
molecules.
3. Which structures are found in every living cell?
A) cell wall
C) plasma membrane
B) molecules
D) protein
A)
B)
C)
D)
a plasma membrane and cytoplasm
chloroplasts and mitochondria
a cell wall and nucleus
centrioles and chromosomes
4. What is the function of the selectively permeable plasma
membrane?
A) to store chemical and heat energy inside the cell
B) to control the movement of substances into and out
of the cell
C) to control the movement of red blood cells