Cell Structures
What is the round black dot in the middle called?
Nucleus
What are living things made up of?
Cells
What cell carries blood around the body?
Red blood cell
What is the abbreviation for if something is alive?
MRS GREN
Which state has the particles all far apart?
Gas
What goes on the outside of an animal cell?
Cell membrane
What 2 types of cells have we learnt?
plant and animal
What cells job is to fertilise the egg?
Sperm
What does the G stand for?
Growth
Describe the movement of solid
Vibrate in fixed position
What is in the middle of a plant cell?
Vacuole
What is the role of the nucleus?
Controls the cell
What is the job of a nerve cell?
To pass nerve impulses
What do the Rs stand for? Give both
Respiration and reproduction
Which state has the most energy
Gas
What is on the outside of a plant cell?
Cell wall
What is the role of the cell membrane?
Controls what goes in and out of the cell
Give an adaptation of a root hair cell
Large surface area
Thin walls
What does respiration mean
to release energy
Define diffusion
Movement of particles from a high to low concentration
What are the green circles in a plant cell?
Chloroplasts
What is the role of the vacuole?
Holds cell sap
Explain 2 adaptations of a red blood cell
Thin walls so oxygen can get through easily
Very small to fit through tiny blood vessels
Give all 3 reasons a car cannot be classed as alive
Respiration
Reproduction
Growth
Describe how Brownian motion was first discoered
Pollen grains under a mciroscope