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02 Intro to Cells and Microscopy Flashcards | StudBud
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02 Intro to Cells and Microscopy
02 Intro to Cells and Microscopy
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1
If I put the number 3 under the microscope right side up. What orientation would I see?
Ɛ
3
m
ω
2
If you wanted to observe the color of an organism's individual chloroplasts, you would use:
The Light Microscope
The Electron Microscope
Your Eye
A Compound Telescope
3
In this diagram, D is pointing to the:
Rheostat
Diaphragm
Ocular Lens
Coarse Adjustment Knob
4
Microscope field of view is widest on
Medium power
Low power
High power
no power
5
Which of the following would you
need
an electron microscope to view:
The nucleus
Ribosomes
The cell wall
Flagella
6
Freeze fracture is
a sample preparation method that can clearly identify membrane proteins
a sample preparation method for studying membrane protein distribution
an electron microscopy technique used to study membranes
a light microscopy technique to study membranes
7
There are _______ μm in 1 mm
1,000,000
100
1,000
10
8
In this diagram, C is pointing to the ___________
Objective Lens
Ocular Lens
Revolving Nose Piece
Rheostat
9
A cell was estimated at 0.15 mm. The line itself is 100 mm. What is the drawing magnification?
700X
20X
667X
15X
10
"Trends" that all cells have are:
A nucleus
Cilia
A cell membrane
A cell wall
11
Amoeba is 200 μm. The line is 300mm. How many times larger than life is the cell?
1500X
1.5X
2000X
2X
12
Which of the following statements is NOT apart of the cell theory?
All cells have the same internal structure.
Cells are the basic units of structure/ function in organism
Cells come from the reproduction of existing cells
All living organisms are composed of one or more cells
13
The Cell Theory is considered a
theory
because:
There is some evidence to support but not enough to be a law
It proves where all cells originated from
All evidence found so far supports it
It is a prediction (like a hypothesis)
14
Which of the following has discrepant cells that are not truly separated by cell membranes?
Bone calcium deposits
Fungal hyphae
Red blood cell
Rhinovirus
15
Inductive Reasoning is ________
making conclusions based on how you are feeling
making conclusions based on past experiences and events
making conclusions based on gut feeling
something that's really cool
16
Wet mounts are a method of
measuring enzyme activity
testing pH of specimens
testing for amino acids
preparing microscope slides
17
If the Ocular lens is 10X and the Objective lens is 80X, what is the total magnification?
80X
800X
18X
8X
18
How do you focus a microscope?
You use the adjustment knob
You change the diaphragm
You adjust the light
19
One implication of all cells coming from preexisting cells would be:
All cells must have at least 1 nucleus
All cells must be microscopic
Plant and animal cells must have a common ancestor cell
All living things are made up of at least more than 1 cell
20
The FOV on 400X = 0.2mm for a microscope. What would the FOV be for 20X on the same microscope?
400 mm
0.01 mm
4 mm
40,000 mm
21
The Euglena as drawn = 450 mm in length. This is 800X life size. The actual size would be?
0.6 mm
0.563 mm
2 mm
1.8 mm
22
These paramecium were seen under high power with a FOV of 0.6mm. What is their estimated size?
0.6 mm
1.2 mm
0.15 mm
0.3 mm
23
Deductive Reasoning is ________
also something really cool
a process in which you guess the right information
the process of using logical thinking to form a conclusion
the process in which imagination is used to find information
24
A microscope's field of view is...
the visible area of the specimen seen through the eyepiece.
the visible area of the slides seen through the eyepiece.
the long, flat glass slide on the stage of the microscope.
25
A type of cell that is an example of a "discrepancy" of the cell theory would be:
Chlamydomonas
Paramecium
Liver cell
Striated Muscle Fibers
26
All cells have...
Nuclei
Mitochondria
Ribosomes
Cell Walls
27
What is found with cryogenic electron microscopy?
Cytosol
Nuclei
Stem Cells
Protein shape
28
Which step in the origin of cells was supported by research completed by Miller and Urey?
Polymerization
Synthesis of organic monomers
Self replicating molecule
Surrounding by a lipid membrane
29
What does the development of the cell theory show us about the nature of science?
Science is all about educated guesses
Our understanding is an accumulation of knowledge
30
The picture of the cat on the left has a higher _____________ than the picture on the right.
Resolution
Fidelity
Magnification
Field of View
31
Which of the following is
not
part of the modern cell theory
All cells come from preexisting cells
All cells have a nucleus
A Cell is the basic unit capable of doing all life functions
All living things are made up of at least one cell
