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Cells and Microscopy Flashcards | StudBud
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Cells and Microscopy
Cells and Microscopy
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Answers
1
Which of these is NOT a reason why an electron microscope cannot be used to study living cells?
Its electromagnetism is too strong
It creates a vacuum
It uses high pressure
There is no oxygen inside
2
Prokaryotes have a nucleus that contains DNA
False
True
3
Which of these could be seen with the naked eye?
Human egg cell
Virus
Human cheek cell
Prokaryotic cell
4
If an image has a magnification power of 300X the specimens real size, we would class this as a low magnification.
True
False
5
Which of these cells are found in plants but are NOT found in animals?
Guard cell
Nerve cell
Endothelial cell
Blood cell
6
Which of the following does the electron microscope NOT use?
Electrolysis
Electromagnetic lenses
Electrons
A vacuum
7
Compared to an electron microscope, a light microscope has:
low magnification, low resolution
high magnification, low resolution
high magnification, high resolution
low magnification, high resolution
8
Where can the slime capsule be found in a bacteria cell?
Around the outside of the cell wall
Around the inside of the cell membrane
Around the outside of the cell membrane
Coating the flagella
9
What do bacteria use to move around?
The circulatory system
Cilia
DNA
Flagella
10
All bacteria are harmful
True
False
11
I am an organelle found in bacteria. I code for antibiotic resistance. What am I?
Plasmid
Slime capsule
Mitochondria
Cytoplasm
12
Light microscopes allow us to see inside organelles
True
False
13
Which of the following can only be found in ONE type of microscope?
Objective
Source
Condenser
Projection
14
How small are the smallest things the human eye can see?
50-100µm
25-50µm
25-50nm
25-50nm
15
Which of the following is 1/1,000,000,000m?
Nanometer
Picometer
Millimeter
Micrometer
16
Cell walls in prokaryotes contain cellulose
False
True
17
How many years after the invention of the light microscope was the electron microscope invented?
190 years
340 years
430 years
260 years
18
Eukaryotic cells are larger than prokaryotic cells by 1-2 orders of magnitude
True
False
19
Which of these was NOT happening at the time that light microscopes were first invented?
Queen Elizabeth I was on the throne
The Great Fire of London took place
Shakespeare was writing plays
The plague was plaguing
20
In microscopy, a "specimen" is
the sample or object being examined
an individual used as an example of its species
the slide
referring humorously to a person or animal.
21
Which of the following did the electron microscope NOT help scientists do?
Treat diseases
Observe organelle structures
Study more complex specimens
Advance research
22
Which of these organelles would you not find in a plant cell?
Cytoplasm
Mitochondria
Genetic material
Plasmids
23
Microscopes magnify and increase the resolution of images
False
True
24
Which of these are not eukaryotic cells?
Bacteria cells
Plant Cells
Fungal cells
Animal cells
25
Which of the below is a millionth of a meter?
Micrometer
Nanometer
Millimeter
Picometer
