What is the maximum magnification of a scanning electron microscope?
Responda
x500 000
x50 000
x5 000
x0.5
Questão 2
Questão
What is the maximum resolution of a transmission electron microscope?
Responda
0.5nm
50nm
5nm
500nm
Questão 3
Questão
To calculate magnification, you must multiply actual size by image size.
Responda
True
False
Questão 4
Questão
Why is staining used in microscopy?
Responda
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
Questão 5
Questão
Mitochondrion are found in [blank_start]all[blank_end] cells.
Chloroplasts and a cellulose cell wall are found in [blank_start]plant[blank_end] cells.
Centrioles are found in [blank_start]animal[blank_end] cells.
Ribosomes are found in [blank_start]all[blank_end] cells.
Responda
all
plant
animal
bacterial
all
animal
plant
bacterial
all
animal
plant
bacterial
all
animal
plant
bacterial
Questão 6
Questão
Prokaryotes have [blank_start]circular[blank_end] DNA, eukaryotes have [blank_start]linear[blank_end] DNA.
Prokaryotes have [blank_start]no nucleus - free DNA[blank_end], eukaryotes have [blank_start]nucleus - contained DNA[blank_end].
Responda
circular
Linear
Free
linear
no nucleus - free DNA
nucleus - contained DNA
Questão 7
Questão
Which organelles are involved in the production of proteins?
Responda
Ribosomes
Rough ER
Smooth ER
Golgi apparatus
Vesicles
Plasma membrane
Mitochondria
Lysosomes
Vacuole
Centrioles
Questão 8
Questão
Which organelle contains a digestive enzyme?
Responda
Centriole
Lysosome
Smooth ER
Questão 9
Questão
What is the cytoskeleton made of?
Responda
Microtubules
Microfilaments
Plasma membrane
Cellulose
Starch
Glycogen
Questão 10
Questão
Prokaryotes are cells like;
Responda
Bacteria/fungi
Plant/animal
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