What is the maximum magnification of a scanning electron microscope?
x500 000
x50 000
x5 000
x0.5
What is the maximum resolution of a transmission electron microscope?
0.5nm
50nm
5nm
500nm
To calculate magnification, you must multiply actual size by image size.
Why is staining used in microscopy?
To visualise cells and cell components
To increase contrast between different components
To make the cells appear nicer
To view artificial colour when images are black and white
Mitochondrion are found in all plant animal bacterial( all, plant, animal, bacterial ) cells. Chloroplasts and a cellulose cell wall are found in all animal plant bacterial( all, animal, plant, bacterial ) cells. Centrioles are found in all animal plant bacterial( all, animal, plant, bacterial ) cells. Ribosomes are found in all animal plant bacterial( all, animal, plant, bacterial ) cells.
Prokaryotes have ❌ DNA, eukaryotes have ❌ DNA. Prokaryotes have ❌, eukaryotes have ❌.
Which organelles are involved in the production of proteins?
Ribosomes
Rough ER
Smooth ER
Golgi apparatus
Vesicles
Plasma membrane
Mitochondria
Lysosomes
Vacuole
Centrioles
Which organelle contains a digestive enzyme?
Centriole
Lysosome
What is the cytoskeleton made of?
Microtubules
Microfilaments
Cellulose
Starch
Glycogen
Prokaryotes are cells like;
Bacteria/fungi
Plant/animal
