Diffusion
The states of matter that diffusion can occur in
Liquids and gases
Prokaryotes
Why do bacteria have ribosomes?
They still need to make proteins
Whip like tail of a bacteria?
Flagella
What will happen to an animal cell if placed in pure water?
It will swell
Protons in sodium?
11
What charge on the electron?
-1
What does increased temperature do to the rate of photosynthesis?
Increases it
Organisms with a nucleus
Eukaryotes
What three things are found in plant cells but not animal cells?
Vacuole
Chloroplasts
Wall
Ring of DNA in a bacteria
Plasmid
What will happen to an animal cell if placed in salty water?
It will shrink
How many neutrons in lithium?
4
What is the mass of a neutron?
1
What can be said about the thickness of the walls of the small intestine and lungs?
Very thin (to reduce concentration gradient)
FALSE
Where in a plant will cells have no chlorophyll?
Roots
Inside plant
A microscope makes something look 400X larger. If the object is 0.2mm how large does it look?
80mm
What word means the same concentration of solution inside and out of a cell?
Isotonic
Hypertonic
Hypotonic
How many electrons in carbon?
6
What is always the charge of a nucleus?
Positive
What is the blood supply of the small intestines and lungs like?
Very good (to reduce concentration gradient)
What does DNA stand for?
Deoxyribonucleic acid
What is the cell wall made from?
Cellulose
Ovum / egg
If a 10g potato chip increases its mass by 20% what is its new mass?
How many electron shells in calcium?
4
What is always the charge of an atom?
Neutral
Name two parts of a plant that have a large surface area to maximise diffusion
Roots and leaves
Salmonella has a nucleus TRUE / FALSE
FALSE
Where does aerobic respiration take place?
In the mitochondria
The smallest cells in the human body
Sperm
If a 10g potato chip decreases its mass by 10% what is its new mass?
9g
How many electrons in outer shell of potassium?
1
What ion is formed if a metal loses 2 electrons?
2+