Mock 2019 Review Flash Cards
How do you white blood cells help defend the body against pathogens?
- engulf pathogens
- produce antibodies
- produce antitoxins
Why can’t measles be treated by antibiotics?
Antibiotics is used to get rid of bacteria and fungi. Measles is caused by a virus.
What is the control variable?
Something you keep the same in the experiment
What are the two products of photosynthesis
Carbon dioxide + water -> glucose and oxygen
What is osmosis?
Is the movement of water molecules from a dilutes solution to a concentrated solution
Two ways the Root of a germinating seed is adapted to absorb water efficiently
- large surface area
- lots of hairs
What is synapse?
– Gap between neurones
-use chemicals not electrical pulses
Where is the pituitary glands?
The brain (pituitary = master)
Which hormone controls the formation of sperm?
Testosterone
Which hormone controls the growth of muscle?
Testosterone/growth
Which hormone controls the release of an egg?
Luteinising hormone
Which hormone controls blood glucose concentration?
Insulin
What is the scientific term used for the Childs eyecolour?
Phenotype (physical characteristics)
Describe how the student should adjust the microscope to see the cells more clearly?
Turn the focusing wheel/knob