The presence of microvilli in the cells increase the rate of absorption. Why?
Surface area is increased
Temperature is altered
Thickness is less
All of the above
If the vacuoles in the cell lose water for any reason, which of the following will happen?
The cells will become turgid
The cells will become flaccid
The cell will burst
The cells will become rigid
Which change would NOT speed up diffusion in an animal cell?
Make the cell membrane thinner
Make the cell rounder
Make the cell membrane thicker
Presence of an enzyme
Which of the following favors osmosis?
Diffusion gradient
Temperature
Light
Gravity
If the cells are surrounded by a solution which is more concentrated than the cytoplasm, which of the following will happen?
The cell will remain the same
The cell will shrink
The cell will become permeable
Which of the following has the highest water potential?
Acidic water
Pure water
Alkaline water
How are enzymes released out of the cell of glands?
Endocytosis
Phagocytosis
Exocytosis
What is diffusion?
The movement of particles from low concentration to high concentration
The movement of particles from high concentration to low concentration
Active movement of particles, requiring energy from respiration
Through which of the following process does white blood cells engulf bacteria?
Exoocytosis
Osmosis
Diffusion
