Cells
This is the cell that is responsible for transporting oxygen around the body
Red blood cell
What is the rock that is made up of small rock deposits
Sedimentary
A material that allows electricity to pass through it
conductor
What is the chemical symbol for Hydrochloric acid
HCL
What is the genetic material called in the nucleus
This is the part of the cell that is responsible for cellular respiration
Mitochondria
What is the type of weathering that is caused by acid rain called
Chemical weathering
A material that does not allow electricity to pass through it
insulator
What is the trend of reaction in the Group 1 elements as you go down?
It increases
How many chromosomes are in a human body cell
46 (23 pairs)
These are the parts of the cell that is only found in plant cells
Vacuole, chloroplast, cell wall
What is the weathering that is caused by living organisms
Biological weathering
..... conducts electricity
Water from a river or the tap
What ion does Group 7 become when it has reacted
-1
What is the reason why egg and sperm cells have half the amount of the chromosomes of a body cell
Because when a egg and sperm cell fuse to create fertilised cell, it has 46 chromosomes in total
This is the type of specialised cell that's function is to transport electrical signals around the body
Nerve cell
All living things contain ——— . Our bodies
water
What is the equation for a neutralisation reaction
Acid + base --> Salt + water
What is the difference between genetic and environmental characteristics? give one example of each
Genetic characteristics are the characteristics that you inherit from your parents, for example eye colour environmental characteristics are the characteristics that is affected by the environment for example accent
This part of the cell is responsible for protein synthesis
Ribosomes
Describe onion skin weathering
What is the equation that links current and potential difference
What is the conservation of mass
Matter cannot be created or destroyed. The mass of the reactants equals the mass of products
Explain briefly how two parents with brown eyes can have an offspring with green eyes
Both parents are carrier of the gene that codes for green eyes and past that gene onto their child
or
Genetic mutation