YEAR 10 CELLS RECAP Flashcards
In what state of matter does diffusion occur the fastest?
Gas
What speeds up diffusion?
Increasing the difference in concentration between the areas.
How would you describe a tissue?
A group of cells working together for a specific function
Which of the following components work together in the same system?:
a) Liver, small intestine, heart, lung
b) Brain, nerve cell, red blood cell, salivary gland
c) Red blood cell, lung, alveoli, capillaries
c
True/false: Diffusion is the ordered movement of particles going from an area of high concentration to an area of low concentration
False
How is active transport different from normal diffusion?
It requires energy to occur
What is not a feature that will aid in osmosis in a hair root cell?
a) Large surface area in contact with water
b) Thin cell walls
c) Special proteins on the membrane that actively take uptake water into the cell.
d) A vacuole in the cell
c
What part of an animal cell controls the movement of substances in and out of a cell?
Cell membrane
How is the liver involved in digestion?
Produces bile
What tissue carries water around the plant?
Xylem
Which of these is an example of diffusion?
a) the uptake of amino acids from the small intestine
b) the process of excreting carbon dioxide from a muscle cell
c) the uptake of minerals by a root hair cell
b
Which organelle causes a decrease in the concentration of oxygen within a muscle cell?
Mitochondria