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6. what is polydactyly?
- a condition where excercise speeds up the heart beat to dangerous speeds
- a type of gamete
- a condition where people have more than five fingers or toes on each hand or foot
- a type of cell
7. how many core cables are in a u.k plug?
8. name another thing enzymes can be used for in industry
- bleach
- toothpaste
- baby food
- clothing
9. what is the term for when a species gets separated and evolve and look like a new species?
- speciation
- evolution
- inhritance
- enzymes
10. what is current?
- a amount of light produced
- a flow of electrons
- a voltage
- an amount of energy
11. what are positive ions called?
- compounds
- copper sulfate
- cation
- ionics
12. what time of respiration requires oxygen?
- aerobic respiration
- anerobic respiration
- epethilial resiration
13. what is the world for the average time it takes for half of the original nuclei to decay?
- quantitative data
- electrolysis
- half life
- rates of reaction
14. what can enzymes be used for in industry
- hair colouring
- nappies
- sports drink
- fizzy drinks
15. what type of respiration doesn't need oxygen?
- asexual
- aerobic
- anerobic
- free
16. name one more thing enzymes can be used for in industry
- candles
- hand cream
- washing powder
- face wipes
17. which means the food breaks down faster?
- more acidic
- more alkaline
- more neutral
- balanced
18. what wire is the brown wire?
- the live wire
- the voltage wire
- the earth wire
- the neutral wire
19. what happens in fertilisation?
- the cells shrink
- a cell splits
- an egg joins with a sperm cell and the DNA combines
- water passes through a semi permeable membrane
20. what is an enzyme?
- a piece of chemistry apparatus
- a stomach cell
- A biological catalyst
- a skin cell