Study sets matching "a tour of the cell"

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Study sets matching "a tour of the cell"

A tour of the cell
Nucleus
DNA
Nuclear Envelope
Nucleolus
Control center
Genetic code controls cell activity
Controls what moves in and out of the nucleus
Where ribosomes are produced
Nucleus
Control center
DNA
Genetic code controls cell activity
13 terms
A TOUR OF THE CELL
nucleolus
nucleus
ribosomes
vesicles
area where ribosomes are assembled inside of the nucleus, has…
genetic material of the cell is found here (ALL DNA)
build protein
move materials around, membrane bound container
nucleolus
area where ribosomes are assembled inside of the nucleus, has…
nucleus
genetic material of the cell is found here (ALL DNA)
24 terms
A tour of the cell
nucleus
ribosome
Endoplasmic reticulum
smooth ER
surrounded by nuclear envelope; houses chromosomes, which are…
two subunits made of ribosomal RNA and proteins; can be free…
extensive network or membrane-bounded tubules and sacs
synthesis of lipids, metabolism of carbohydrates, Ca2+ storag…
nucleus
surrounded by nuclear envelope; houses chromosomes, which are…
ribosome
two subunits made of ribosomal RNA and proteins; can be free…
139 terms
A Tour of the Cells
Light microscopes
Light microscope (LM)
-technically up to 1000x... -greater than…
the bigger the image the darker it is…
Which were the first types of microscopes?
Visible light passes through a specimen, then through glass l…
Discuss the capabilities of light microscopes.
Discuss a relationship between the size of the image and the…
Light microscopes
Which were the first types of microscopes?
Light microscope (LM)
Visible light passes through a specimen, then through glass l…
47 terms
a tour of the cell
cell
Light Microscope
magnification
resolution
-the simplest collection of matter that can live... -bound by pl…
-magnifies effectively but has resolution issues... -commonly us…
ration of the object's image size to its real size
a measure of the clarity of the image; the minimum distance t…
cell
-the simplest collection of matter that can live... -bound by pl…
Light Microscope
-magnifies effectively but has resolution issues... -commonly us…
A tour of the cell
Light microscope
Organelles
Electron microscope
Scanning electron microscope
Visible light is pass through the specimen and then through g…
Membrane enclosed compartments
Focus is a beam of electrons through the specimen or onto its…
Use for full detailed study of the surface of the specimen
Light microscope
Visible light is pass through the specimen and then through g…
Organelles
Membrane enclosed compartments
72 terms
A tour of the cells
Nucleus
Nucleoid
Plasma Membrane
Lipid bilayer
A membrane-enclosed organelle where the chromosomes are conta…
Prokaryotic cell; no membrane separating DNA
A selective barrier that allows for the passage of oxygen, nu…
Two layers of lipids stacked together to make up the plasma m…
Nucleus
A membrane-enclosed organelle where the chromosomes are conta…
Nucleoid
Prokaryotic cell; no membrane separating DNA
9 terms
A Tour of the Cell
Ribosome
Nucleus
Endoplasmic Reticulum
Golgi Apparatus
Two subunits made of ribosomal RNA and proteins; can be free…
Surrounded by nuclear envelope(double membrane) perforated by…
Extensive network of membrane-bounded tubules and sacs; membr…
Stacks of flattened membranous sacs; has polarity... -Sorts prod…
Ribosome
Two subunits made of ribosomal RNA and proteins; can be free…
Nucleus
Surrounded by nuclear envelope(double membrane) perforated by…
49 terms
A Tour of the Cell
nucleus
nuclear envelope
nuclear lamina
chromosomes
the organelle of a eukaryotic cell that contains the genetic…
in a eukaryotic cell, the double membrane that surrounds the…
a netlike array of protein filaments that lines the inner sur…
a cellular structure carrying genetic material, found in the…
nucleus
the organelle of a eukaryotic cell that contains the genetic…
nuclear envelope
in a eukaryotic cell, the double membrane that surrounds the…
A tour of the cell
Cells
Optical Microscope
Electron Microscope
Prokaryotic, eukaryotic
Are made up of an incredibly complex cytoskeleton ... • Made up…
-uses light & lenses to magnify the image
-uses a number of magnets which are used to focus the electro…
2 types of cell
Cells
Are made up of an incredibly complex cytoskeleton ... • Made up…
Optical Microscope
-uses light & lenses to magnify the image
lecture 1: A Tour of the Cell
Microscopy
Organelles
Light microscope
Electron microscope (EM)
Initially developed in the 1600s. Magnification is the ratio…
Membrane-enclosed structures within eukaryotic cells. Example…
Visible light is passed through the specimen and then through…
Uses electrons (no light). Increased resolution due to the sh…
Microscopy
Initially developed in the 1600s. Magnification is the ratio…
Organelles
Membrane-enclosed structures within eukaryotic cells. Example…
22 terms
A Tour of the Cell Vocab
light microscope (LM)
organelles
electron microscope (EM)
scanning electron microscope (SEM)
visible light is passed through the specimen and then through…
membrane-enclosed compartments
focuses a beam of electrons through the specimen or onto it's…
used for detailed study of the surface of a specimen
light microscope (LM)
visible light is passed through the specimen and then through…
organelles
membrane-enclosed compartments
16 terms
A Tour of the Cell
Flagellum
Centrosome
Cytoskeleton (includes)
Microvilli
Motility structure present in some animal cells, composed of…
Region where the cells microtubules are initiated; contains a…
Reinforces cell's shape; functions in cell movement; componen…
Projections increase the cell's surface
Flagellum
Motility structure present in some animal cells, composed of…
Centrosome
Region where the cells microtubules are initiated; contains a…
56 terms
A Tour of the Cell
Fundamental units of life
Mitochondria
inner membrane of mitochondria
Microscopy
-cell = simplest collection of matter... -related by descent fr…
-sites of cellular respiration... -metabolic process that uses…
-cristae... -large surface area for enzymes that synthesizes AT…
-used to visualize cells
Fundamental units of life
-cell = simplest collection of matter... -related by descent fr…
Mitochondria
-sites of cellular respiration... -metabolic process that uses…
29 terms
A tour of the cell
Light microscopes
Resolving power
Cell theory
Electron microscope
Used to explore the structures and functions of cells
The ability of an optical instrument to show 2 objects as sep…
All living things are composed of cells and all cells come fr…
Uses a beam of electrons which results in 100-fold better res…
Light microscopes
Used to explore the structures and functions of cells
Resolving power
The ability of an optical instrument to show 2 objects as sep…
49 terms
A Tour of the Cell
light microscope
cell theory
electron microscope
scanning electron microscope
visible light passes through specimen then glass lenses, whic…
theory that all living things are composed of cells and that…
uses magnets to focus on an electron beam through, or onto th…
uses an electron beam to study the surface details of a cell…
light microscope
visible light passes through specimen then glass lenses, whic…
cell theory
theory that all living things are composed of cells and that…
39 terms
A Tour of the Cell
Eukaryotic Cell
Prokaryotic Cell
Cytoplasm
Eukaryotic Cytoplasm
Most of the DNA is an organelle called the nucleus, which is…
DNA is concentrated in a region that isn't membrane enclosed…
Interior of both types of cells.
Region between the nucleus and the plasma membrane.... Has a var…
Eukaryotic Cell
Most of the DNA is an organelle called the nucleus, which is…
Prokaryotic Cell
DNA is concentrated in a region that isn't membrane enclosed…
76 terms
A Tour of the Cell
Plasma membrane, cytosol, chromosome,…
Prokaryote
Nucleoid
Plasma membrane
4 basic features of all cells
A cell with no nucleus or membrane-bound organelles
Unbound region in a prokaryotic cell where DNA is stored
Selectively permeable barrier that binds the cytoplasm
Plasma membrane, cytosol, chromosome,…
4 basic features of all cells
Prokaryote
A cell with no nucleus or membrane-bound organelles
A Tour of the Cell
Eukaryotic Cells
Prokaryotic Cells
Robert Hooke
Anton van Leeuwenhoek
large size, nucleus, membrane-bound organelles, large ribosom…
small size, no membrane-bound organelles, nucleoid region wit…
discovered cells in 1665 when examining cork sections
first to describe living cells
Eukaryotic Cells
large size, nucleus, membrane-bound organelles, large ribosom…
Prokaryotic Cells
small size, no membrane-bound organelles, nucleoid region wit…
30 terms
A Tour of The Cell
Light Microscope
Scanning Electron Microscope
Transmission Electron Microscope
Scanning Tunneling Microscope
Passes light through a specimen
Bounces a beam of electrons off of a "coated" speciman
Beam of electrons pass through the speciman
Utilizes the tip of the microscope to pass through the electr…
Light Microscope
Passes light through a specimen
Scanning Electron Microscope
Bounces a beam of electrons off of a "coated" speciman
A Tour of the Cell
Cell Theory
Types of Microscopes
cytoplasm
plasma membrane
All living things are composed of cells... Cells are the basic u…
Light and electron
region of a cell between the nucleus and the plasma membrane…
thin outer boundary of a cell that regulates the traffic of c…
Cell Theory
All living things are composed of cells... Cells are the basic u…
Types of Microscopes
Light and electron
21 terms
A Tour of the Cell
Light Microscope
Scanning Electron Microscope
Transmission Electron Microscope
Magnification
An optical instrument with lenses that refract visible light…
A microscope using an electron beam to study the surface arch…
A microscope that uses an electron beam to study the internal…
An increase in the apparent size of an object
Light Microscope
An optical instrument with lenses that refract visible light…
Scanning Electron Microscope
A microscope using an electron beam to study the surface arch…
23 terms
A tour of the cell
Nucleus
DNA
Nucleolus
Ribosome
Contains DNA... Controls cell's activity by directing protein sy…
Associated with many proteins in the structures called chromo…
Site of rRNA synthesis.... Proteins brought in through the nucle…
Carries out protein synthesis... Synthesized from rRNA... Made up o…
Nucleus
Contains DNA... Controls cell's activity by directing protein sy…
DNA
Associated with many proteins in the structures called chromo…
28 terms
A TOUR OF THE CELL
Cytoplasm
Plasma membrane
Nucleus
Nuclear envelope
The region between the nucleus and the plasma membrane of a e…
Selective barrier that allows oxygen,nutrients,and wastes for…
Contains most of the genes in a eukaryotic cell.
A double membrane that separates the cytoplasm from the nucleus
Cytoplasm
The region between the nucleus and the plasma membrane of a e…
Plasma membrane
Selective barrier that allows oxygen,nutrients,and wastes for…
46 terms
A tour of the cell vocab
peripheral protein
integral protein
phospholipid
purpose of bilayer:
integrated into the outside of the phospholipid bilayer
integrated into the middle of the phospholipid bilayer
chlorine, phosphate, glycerol, 2 fatty acid chains
gives strength to the cell like a cell wall in a plant cell
peripheral protein
integrated into the outside of the phospholipid bilayer
integral protein
integrated into the middle of the phospholipid bilayer
A Tour of the Cell
Organelles
Cell Fractionation
Cytosol
Eukaryotic Cell
any of several membrane-enclosed structures with specialized…
the disruption of a cell and separation of its parts by centr…
the semifluid portion of the cytoplasm and suspends organelles
a type of cell with a membrane-enclosed nucleus and membrane-…
Organelles
any of several membrane-enclosed structures with specialized…
Cell Fractionation
the disruption of a cell and separation of its parts by centr…
46 terms
A Tour of the Cell
Resolving power
TEM
SEM
Nucleus
Minimum distance two points can be separated and still be dis…
Reveals internal details
Reveals surface details
- often largest organelle... - stores, protects, replicates, and…
Resolving power
Minimum distance two points can be separated and still be dis…
TEM
Reveals internal details
21 terms
A Tour of the Cell
Nucleus
Nuclear Envelope
Nucleolus
Cytoplasm
Contains the cell's genetic instructions encoded in DNA.
Double membrane that surrounds the nucleus.
Located in the nucleus. rRNA is made here according to instru…
The area between the plasma membrane and the nuclear membrane.
Nucleus
Contains the cell's genetic instructions encoded in DNA.
Nuclear Envelope
Double membrane that surrounds the nucleus.
A Tour of the Cell
Hooke
Leeuwenhoek
Schleiden
Schwann
names cell from looking at cork
discovered bacteria
discovered all plants are made of cells
discovered all animals are made of cells
Hooke
names cell from looking at cork
Leeuwenhoek
discovered bacteria
45 terms
A tour of the Cell
Prokaryotes
Eukaryotes
Plasma Membrane
Nucleus
-Single cell organism... -No Nucleus... -Evolved before Eukaryotic…
-Nucleus... -Multi-Cellular... -"True" "Kernal"... -Larger in size... -Me…
Forms the external boundary of the cytoplasm of a cell ... Made…
-Control center of the cell... -Contains DNA... -Surrounded by Doub…
Prokaryotes
-Single cell organism... -No Nucleus... -Evolved before Eukaryotic…
Eukaryotes
-Nucleus... -Multi-Cellular... -"True" "Kernal"... -Larger in size... -Me…
54 terms
A Tour of the Cells
light microscope (LM)
organelle
electron microscope (EM)
transmission electron microscope (TEM)
an optical instrument with lenses that refract (bend) visible…
one of several formed bodies with specialized functions, susp…
a microscope that focuses an electron beam through a specimen…
a microscope that passes an electron beam through very thin s…
light microscope (LM)
an optical instrument with lenses that refract (bend) visible…
organelle
one of several formed bodies with specialized functions, susp…
67 terms
A Tour of the Cell
light microscope (LM)
organelles
electron microscope (EM)
scanning electron microscope (SEM)
an optical instrument with lenses that refract (bend) visible…
any of several membrane-enclosed structures with specialized…
a microscope that uses magnets to focus an electron beam on o…
a type of electron microscope that is used to study the the f…
light microscope (LM)
an optical instrument with lenses that refract (bend) visible…
organelles
any of several membrane-enclosed structures with specialized…
32 terms
A Tour of the Cell
Nucleolus
Nucleus
Ribosomes
free ribosomes
assembles ribosomes, produces rRNA
Genetic material of the cell, DNA control the cell, control c…
small subunit large subunit and the messenger rna moves throu…
found in cytosol... protein synthesis, proteins for use in cytosol
Nucleolus
assembles ribosomes, produces rRNA
Nucleus
Genetic material of the cell, DNA control the cell, control c…
A Tour of the Cell
Plasma Membrane
Cytoplasm
Chromosomes
Ribosome
semipermeable
holds the organelles
storage of genetic information
Protein Production
Plasma Membrane
semipermeable
Cytoplasm
holds the organelles
29 terms
A Tour of a Cell
cell theory
organelle
prokaryotic cell
eukaryotic cecll
all cells come from preexisting cells.
a part of the cell that has a special function
-simplest organisms... -they don't have a nucleus... -DNA is in the…
-more complex organisms... -have a nucleus... -have many inner orga…
cell theory
all cells come from preexisting cells.
organelle
a part of the cell that has a special function
72 terms
A Tour of the Cell
Cell theory
Magnification
Resolving power
Electron microscope
1. All living things are composed of cells & the products of…
Ratio of an object's image to its real size... Increase is appar…
Measure of clarity of an image... Minimum distance 2 points can…
...
Cell theory
1. All living things are composed of cells & the products of…
Magnification
Ratio of an object's image to its real size... Increase is appar…
109 terms
A Tour of The Cell
CELL
How do we study cells?
Microscopy
light microscope
-simplest collection of matter that can be alive, arranged in…
Microscopy allowed the discovery and early study of cells
The development of instruments that extend the human senses a…
visible light is passed through the specimen and than through…
CELL
-simplest collection of matter that can be alive, arranged in…
How do we study cells?
Microscopy allowed the discovery and early study of cells
42 terms
a tour of the cell vocab
light microscopes
magnification
resolving power
robert hooke
can be used to explore the structures and functions of cells
is an increase in he specimens apparent size
is the ability of an optical instrument to show two objects a…
Discovered cells
light microscopes
can be used to explore the structures and functions of cells
magnification
is an increase in he specimens apparent size
44 terms
A Tour of the Cell
Cell Theory
Light microscope
Electron Microscope
Scanning Electron Microscope
All living things are made of cells and all cells come from o…
Light is projected through the specimen and into the viewers…
Instead of light, it uses a beam of electrons
Studies the detailed architecture of cell surfaces
Cell Theory
All living things are made of cells and all cells come from o…
Light microscope
Light is projected through the specimen and into the viewers…
24 terms
A Tour of the Cell
Prokaryote
Nucleoid
Cytoplasm
Ribosomes
A unicellular organism that lacks a nucleus and membrane boun…
A dense region of DNA in a prokaryotic cell. Contains the chr…
in a Prokaryote, everything inside the plasma membrane; in a…
site of protein synthesis, composed of rRNA and protein.
Prokaryote
A unicellular organism that lacks a nucleus and membrane boun…
Nucleoid
A dense region of DNA in a prokaryotic cell. Contains the chr…
45 terms
A Tour of the Cell
Cytoskeleton
Light microscope
Resolution
Electron microscope
System of protein fibers that provides structural support and…
Visible light is passed through a specimen, study for microor…
A measure of the clarity of image
Focuses a beam of electrons through a specimen or on its surf…
Cytoskeleton
System of protein fibers that provides structural support and…
Light microscope
Visible light is passed through a specimen, study for microor…
A Tour of the Cell
Cell Theory
Light Microscope
Electron Microscope
SEM
-All living things are composed of cells and all cells arise…
fully developed in 1870's and can magnify up to 1000x, 1 nm r…
invented in 1930 and came into widespread use in the 1950's w…
shows the surface in 3-D
Cell Theory
-All living things are composed of cells and all cells arise…
Light Microscope
fully developed in 1870's and can magnify up to 1000x, 1 nm r…
A Tour of the Cell
Distinguish between magnification and…
Describe the principles, advantages, a…
Describe the major steps of cell fract…
Distinguish between prokaryotic and eu…
Magnification: ratio of an object's image to it's real size.…
LIGHT MICROSCOPE... Principals -> Visible light is passed though…
Cell fractionation -> The disruption of a cell and separation…
Prokaryotic cells -> A type of cell lacking a membrane bound…
Distinguish between magnification and…
Magnification: ratio of an object's image to it's real size.…
Describe the principles, advantages, a…
LIGHT MICROSCOPE... Principals -> Visible light is passed though…
125 terms
04 A tour of the cell
All organisms are made of cells, The c…
microscopes; biochemistry
Cells
light microscope
The 4 fundamental units of life are:
Biologists use __________ and the tools of ___________ to stu…
_______ are usually too small to be seen by the naked eye
In a _______________, visible light is passed through a speci…
All organisms are made of cells, The c…
The 4 fundamental units of life are:
microscopes; biochemistry
Biologists use __________ and the tools of ___________ to stu…
8 terms
A tour of the cell
Solute potential
Hypertonic
Hypotonic
Osmosis
A component of water potential that is proportional to the mo…
Referring to a solution that, when surrounding a cell, will c…
Referring to a solution that, when surrounding a cell, will c…
The diffusion of free water across a selectively permeable me…
Solute potential
A component of water potential that is proportional to the mo…
Hypertonic
Referring to a solution that, when surrounding a cell, will c…
A Tour of the Cell
Surface Area Ratio (reason cells are s…
The Cell
Cell Theory
Robert Hooke
Cells are small so substances can pass across its plasma memb…
basic structural, functional, and biological unit of all know…
Established by Schleiden, Schwann, and Virchow: The cell is b…
discovered cells in 1665 when examining cork sections
Surface Area Ratio (reason cells are s…
Cells are small so substances can pass across its plasma memb…
The Cell
basic structural, functional, and biological unit of all know…
19 terms
A Tour of the Cell
What is the cell theory?
Sizes of eukaryotic and prokaryotic
Hierarchy of structure organization
Importance of compartmental organization
All organisms are made up of cells ... Those cells are made from…
Eukaryotic: 10-100mm... Prokaryotic: 5-10mm
Chemical... Cell... Tissue... Organ... Organ system
1. Organelles are separated from cellular environment by memb…
What is the cell theory?
All organisms are made up of cells ... Those cells are made from…
Sizes of eukaryotic and prokaryotic
Eukaryotic: 10-100mm... Prokaryotic: 5-10mm
11 terms
A Tour of the Cell
Cells need to have a surface area larg…
plasma membranes, ribosomes, and chrom…
chromatin
nucleolus
Why can't cells get very big ?
All cells have three things in common...
The cell's genetic instructions inside the nucleus
Where components of ribosomes are manufactured
Cells need to have a surface area larg…
Why can't cells get very big ?
plasma membranes, ribosomes, and chrom…
All cells have three things in common...
38 terms
A Tour of the Cell
cell junctions
central vacuole
chloroplasts
chromatin
Contact points between the plasma membranes of tissue cells
A membranous sac in a mature plant cell with diverse roles in…
Capture energy from sunlight and use it to produce food for t…
DNA and protein that makes up chromosomes
cell junctions
Contact points between the plasma membranes of tissue cells
central vacuole
A membranous sac in a mature plant cell with diverse roles in…
36 terms
A tour of the cell vocab
1. Cell theory
2. Prokaryotic cell
3. Eukaryotic cell
4. Plasma membrane
Theory that all living things are composed of cells and that…
Type of cell lacking a membrane-enclosed nucleus and other me…
Type of cell that has a membrane-enclosed nucleus and other m…
Membrane that sets a cell off from its surroundings and acts…
1. Cell theory
Theory that all living things are composed of cells and that…
2. Prokaryotic cell
Type of cell lacking a membrane-enclosed nucleus and other me…
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