Transport
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 W is what happens when the vacuole doesn't press against the cell wall?
Wilting
Protons in calcium?
20
What atom has the smallest radius?
Helium (NOT HYDROGEN)
What process powers active transport?
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 size of a nucleus?
1 x 10-14m
What happens to blood cells if placed in pure water?
They pop/expand due to osmosis
What are exchanged between bacteria to allow them to quickly evolve?
Plasmids
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
Isotonic (Like lucozade)
How many neutrons in carbon?
6
What is the atomic radius?
1 x 10-10m
What does asthma do to the rate of diffusion?
Decreases it
What part of a plant cell become fibre in our intestines?
Cellulose/Cell wall
What is the cell wall made from?
Cellulose
Maximum magnification of an electron microscope?
500 000
If a 30g potato chip increases its mass by 20% what is its new mass?
36g
How many electron shells in potassium?
4
What element has isotopes with masses of 12,13 and 14?
Carbon
Why might a plant die if its roots get water logged?
No active transport
Salmonella has a nucleus TRUE / FALSE
FALSE
Where does aerobic respiration take place?
In the mitochondria
Maximum magnification of a light microscope?
1500 - 2000
If a 18g potato chip decreases its mass by 10% what is its new mass?
16.2
How many electrons in outer shell of Caesium?
1
What ion is formed if a metal loses 2 electrons?
2+