7044360
Description
Quiz by Jack Stanley, updated more than 1 year ago
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Created by Jack Stanley
almost 8 years ago
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Question 1
Question
What is the function of the Nucleus?
Answer
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Control of the cell
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To manufacture ATP
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To modify amino acid chains
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To induce enzyme activity
Question 2
Question
What is meant by the term: Magnification?
Answer
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How much bigger an image appears when compared with the original object.
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The ability to distinguish between 2 points clearly.
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The magnifying power of the objective lens.
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How much smaller an image appears when compared to the original object
Question 3
Question
What is meant by the term: Resolution?
Answer
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How much bigger an image appears when compared with the original object.
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The magnifying power of the objective lens.
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The ability to distinguish between 2 points clearly.
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How much smaller an image appears when compared with the original object
Question 4
Question
What is the equation for calculating Magnification?
Answer
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Total magnification = Image size / Magnification.
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Total magnification = Magnifying power of the objective lens x eyepiece lens.
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Total magnification = Image size x Magnification.
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There is no calculation.
Question 5
Question
Optical microscopes are [blank_start]cheap[blank_end], easy to use, and, [blank_start]portable[blank_end] pieces of equipment. They enable [blank_start]live[blank_end] specimens to be viewed.
Answer
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cheap
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portable
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live
Question 6
Question
What is the wavelength of an Electron microscope?
Answer
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0.004nm
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0.004µm
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0.02nm
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0.002µm
Question 7
Question
The type of image displayed from a Transmission electron microscope is
Answer
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2D
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3D
Question 8
Question
The type of image displayed from a Scanning electron microscope is
Answer
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2D
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3D
Question 9
Question
Transmission Electron microscopes produce a grey-scale image
Answer
- True
- False
Question 10
Question
Scanning Electron microscopes produce a grey-scale image
Answer
- True
- False
Question 11
Question
To prepare a slide you [blank_start]dehydrate[blank_end] the specimen, embed them in [blank_start]wax[blank_end], and, [blank_start]section[blank_end] them.
Answer
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dehydrate
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stain
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crush
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iodine
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methylblue
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eosin
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wax
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section
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split
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separate
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slice
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hydrate
Question 12
Question
What does acetic orcein stain? What colour would you expect?
Answer
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Cytoplasm: red
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Lipids: red
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Cellulose: yellow
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DNA and chromosomes: red
Question 13
Question
What is meant by the term 'differential staining'?
Answer
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Staining each structure in isolation to view structures individually.
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Staining each structure differently to identify each structure.
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Using a variety of stains upon the same component.
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Using only one type of staining.
Question 14
Question
The Golgi apparatus is a modifying unit
Answer
- True
- False
Question 15
Answer
- True
- False
Question 16
Question
What is the function of the Chloroplast?
Answer
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The site of protein synthesis
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To manufacture water molecules; keeping plant cells hydrated
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The site of photosynthesis
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To give plants green pigments
Question 17
Question
What is the function of the vacuole?
Answer
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To maintain turgidity.
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To hydrate the cell in low water concentrations
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To stimulate catabolic reactions
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To trap pathogenic substances
Question 18
Question
Hydrolytic enzymes digest foreign matter
Answer
- True
- False
Question 19
Question
Prokaryotic cells contain [blank_start]loops[blank_end] of naked DNA. They also contain whip-like projections called [blank_start]flagella[blank_end], as well as pili.
Answer
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hoops
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loops
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rings
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branches
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flagella
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microvili
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undulipodia
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cillia
Question 20
Question
How do Prokaryotic cells divide?
Answer
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Mitosis
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Meiosis
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Binary fission
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Cytokinesis
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