How can we help?

You can also find more resources in our Help Center.

Study sets matching "cell structure chapter 6"

Study sets
Classes
Users

Study sets matching "cell structure chapter 6"

63 terms
Chapter 6 Cell Structure
light microscopy
scanning electron microscopy
transmission electron microscopy
cell fractionation
uses light to permit magnification and viewing of cellular st…
A process that utilizes an electron beam to produce an image…
electrons penetrate an ultrathin section of tissue to strike…
technique in which cells are broken into pieces and the diffe…
light microscopy
uses light to permit magnification and viewing of cellular st…
scanning electron microscopy
A process that utilizes an electron beam to produce an image…
28 terms
Chapter 6: Cell Structure
Plasma membrane
Nucleus
Nuclear envelope
Nucleolus
-forms the boundary, enclosing the cell... -is selectively perme…
-contains most of the cell's DNA... -where DNA is used as the te…
-double membrane enclosing the nucleus... -perforated by pores t…
-non-membranous organelle involved in the production of ribos…
Plasma membrane
-forms the boundary, enclosing the cell... -is selectively perme…
Nucleus
-contains most of the cell's DNA... -where DNA is used as the te…
39 terms
Chapter 6: Cell Structure
Define: organelles
Prokaryotic vs. eukaryotic cells
Eukaryotic cells have...
Main points to know of the cell
In cell biology, an organelle is a specialized subunit within…
1) A nucleus with DNA... 2) Endoplasmic reticulum... 3) Golgi appar…
Define: organelles
In cell biology, an organelle is a specialized subunit within…
Prokaryotic vs. eukaryotic cells
59 terms
Chapter 6: Cell Structure
Is it better for the surface-to-volume…
What do prokaryotic and eukaryotic cel…
What are the differences between proka…
What do only animal cells have?
It is better for it to be higher because there is a limited a…
they both have a plasma membrane, cytoplasm, DNA, and ribosomes
prokaryotic cells have:... -nucleoid region... eukaryotic cells ha…
centrioles, flagella
Is it better for the surface-to-volume…
It is better for it to be higher because there is a limited a…
What do prokaryotic and eukaryotic cel…
they both have a plasma membrane, cytoplasm, DNA, and ribosomes
58 terms
Chapter 6 Cell Structure
cells are examples of
Basic unit of life
cells have types of cells
unicellular is
emergent properties
cells
Unicellular... multicellular
entire organism
cells are examples of
emergent properties
Basic unit of life
cells
57 terms
Chapter 6: Cell Structure
Do cells have a limit on how big they…
A limited amount of what can cross a p…
Why are cells that have higher surface…
For every increase in surface area, th…
Cells do have a limit on how big they can be.
A limited amount of substance can cross a plasma membrane per…
Cells that have a higher surface to volume ratio are more eff…
For every increase in surface area, there is also an increase…
Do cells have a limit on how big they…
Cells do have a limit on how big they can be.
A limited amount of what can cross a p…
A limited amount of substance can cross a plasma membrane per…
14 terms
Cell Structure (Chapter 6)
mitochondria
nucleus
nucleolus
lysosome (animal only)
ENERGY PRODUCTION. Organelle where cellular respiration occur…
CONTROL CENTER OF THE CELL. Hold genetic info; where DNA is u…
MANUFACTURES RIBOSOMES. A region of the nucleus where ribosom…
DIGESTS GARBAGE OF CELL. Membrane bound sacs containing diges…
mitochondria
ENERGY PRODUCTION. Organelle where cellular respiration occur…
nucleus
CONTROL CENTER OF THE CELL. Hold genetic info; where DNA is u…
21 terms
chapter 6 cell structure
cell theory
spontaneous generation
surface area-to-volume ratio
cell requirements
all organisms are composed of 1 or more cells, and the life p…
something can arise from nothing
cells typically remain relatively small, easier to diffuse/mo…
genetic material (DNA), cytoplasm (semifluid matrix, contains…
cell theory
all organisms are composed of 1 or more cells, and the life p…
spontaneous generation
something can arise from nothing
25 terms
Chapter 6 - Cell Structure (Cell Structure)
Eukaryotic Cells
Prokaryotic Cells
Animal Cells
Plant Cells
membrane-bound components (organelles), DNA in nucleus
smaller than E cells, no membrane-bound compartments, DNA fou…
no cell wall, centrioles, no chloroplasts,
cell wall, no centrioles, chloroplasts, plasmodesmata, centra…
Eukaryotic Cells
membrane-bound components (organelles), DNA in nucleus
Prokaryotic Cells
smaller than E cells, no membrane-bound compartments, DNA fou…
14 terms
Chapter 6: Cell Structure
Cytosol
Cytoplasm
Plasma Membrane
Ribosome
Prokaryotic & Eukaryotic; Organelle; Semi-fluid (Jelly Like);…
Prokaryotic & Eukaryotic; Organelle; Interior of cell; Suspen…
Prokaryotic & Eukaryotic; Organelle; At boundary of every cel…
Prokaryotic & Eukaryotic; Organelle; Complex made up of ribos…
Cytosol
Prokaryotic & Eukaryotic; Organelle; Semi-fluid (Jelly Like);…
Cytoplasm
Prokaryotic & Eukaryotic; Organelle; Interior of cell; Suspen…
43 terms
Chapter 6: Cell Structure
Organelles
Electron Microscope
Scanning electron microscope
Transmissions electron microscope
D:Any of several membrane-enclosed structures with specialize…
D:A microscope that uses magnets to focus an election beam on…
D: A microscope that uses an electron bean to scan the surfac…
D: A microscope that passes an electron beam through very thi…
Organelles
D:Any of several membrane-enclosed structures with specialize…
Electron Microscope
D:A microscope that uses magnets to focus an election beam on…
28 terms
Cell Structure (Chapter 6)
nucleus
nucleolus
DNA
ribosome
control center... contains: nuclear lamina, membrane, pores, nuc…
located in nucleus... RNA-rich area... creates ribosomal subunits
located in nucleus, mitochondria, & chloroplasts... chromosomes…
makes proteins and antibodies ... free (unattached) and attached
nucleus
control center... contains: nuclear lamina, membrane, pores, nuc…
nucleolus
located in nucleus... RNA-rich area... creates ribosomal subunits
31 terms
Chapter 6 Cell Structure
Mitochondria
Ribosomes
Nucleus
Lysosome
where cell respiration occurs
Made of ribosomal RNA and protein; where RNA is stored; most…
where genetic information is stored; controls cells DNA--> Ch…
contains sacs of hydrolytic enzymes; ... "also known as garbage…
Mitochondria
where cell respiration occurs
Ribosomes
Made of ribosomal RNA and protein; where RNA is stored; most…
22 terms
Chapter 6 - Cell Structure
prokaryote
eukaryote
nuclear envelope
nuclear lamina
cell without a nucleus
cell with a nucleus
double membrane that encloses nucleus separating it from the…
net-like array of proteins that act as a scaffolding for enve…
prokaryote
cell without a nucleus
eukaryote
cell with a nucleus
51 terms
Chapter 6: Cell Structure
Life is Cellular
light microscope (LM)
electron microscopes (EMs)
Cell Size
All organisms are made of cells... • The cell is the simplest co…
visible light is passed through a specimen and then through g…
• Scanning electron microscopes (SEMs) focus a beam of electr…
Cell size is limited.... -As cell size increases, it takes longe…
Life is Cellular
All organisms are made of cells... • The cell is the simplest co…
light microscope (LM)
visible light is passed through a specimen and then through g…
40 terms
Chapter 6- Cell Structure and Function
four things all cells have
3 statements in cell theory
eukaryotes evolved for_______
prokaryotes evolved for _________
cytoplasm, DNA, cell membrane, ribosomes
1. all things are made of cells 2. all cells come form existi…
complexity
efficiency
four things all cells have
cytoplasm, DNA, cell membrane, ribosomes
3 statements in cell theory
1. all things are made of cells 2. all cells come form existi…
20 terms
Chapter 6: Cell Structure
Which are bigger, prokaryotic or eukar…
Inside all cells is a semifluid, jelly…
In prokaryotes, where is DNA found?
In eukaryotes, where is DNA found?
Eukaryotic cells
cytosol
Prokaryotic DNA is concentrated in a nucleoid, a not membrane…
Eukaryotic DNA is contained in a membrane-bound organelle cal…
Which are bigger, prokaryotic or eukar…
Eukaryotic cells
Inside all cells is a semifluid, jelly…
cytosol
10 terms
Chapter 6 - Cell Structure and Function
Why are cells usually smaller than 100…
Three types of vacuoles
The composition of cell walls (3 types)
Why do all cells have a membrane?
Having a small size makes their surface area much larger rela…
central vacuole - helps maintain plants' shape and structure…
1. cellulose... 2. polysaccharides... 3. protein (ie pectin)
serves as a selective barrier against potentially harmful sub…
Why are cells usually smaller than 100…
Having a small size makes their surface area much larger rela…
Three types of vacuoles
central vacuole - helps maintain plants' shape and structure…
15 terms
Chapter 6: Cell Structure
What are the components of the Cytoske…
Name all the organelles
What is the Fluid Mosiac Model?
Function of the Plasma Membrane
Microtubles, Intermediate Filaments, Microfilaments
Plasma Membrane, Cytoplasm, Nucleus, Ribosome, Endoplasmic Re…
a highly mobile mixture of phospholipids, other types of lipi…
Phosholipid bilayer that forms the outer boundary of any cell
What are the components of the Cytoske…
Microtubles, Intermediate Filaments, Microfilaments
Name all the organelles
Plasma Membrane, Cytoplasm, Nucleus, Ribosome, Endoplasmic Re…
36 terms
Chapter 6 - Cell Structure
Why do cells have a size limit?
What is a prokaryotic cell?
What is a eukaryotic cell?
What do animal cells have that plant c…
1) there is a limited amount of substance that can pass throu…
1) It has no membrane around its DNA (no nucleus)... 2) There ar…
1) Its DNA is inside a nucleus... 2) It has many membrane bound…
Centrioles and flagella
Why do cells have a size limit?
1) there is a limited amount of substance that can pass throu…
What is a prokaryotic cell?
1) It has no membrane around its DNA (no nucleus)... 2) There ar…
48 terms
Cell structure and Function Chapter 6
cell theory
cell
why are cells so small?
prokaryotes
1.every organism is composed of one or more cells... 2. cell is…
smallest unit of life... can survive on own... highly organized for…
surface-to-volume ratio... above a certain size, material can't…
no nucleus... no membrane bound organelles (1 organelle-ribosome…
cell theory
1.every organism is composed of one or more cells... 2. cell is…
cell
smallest unit of life... can survive on own... highly organized for…
67 terms
Bio chapter 6: Cell structure
Modern Cell Theory
Robert Hooke
Anton Van Leeuwenhoek
Henri Dutrochet
(1838-1839) Shwann and Schliden... 1. All cells come from pre-e…
- 1600s... - Put cork under magnifying glass, and saw box-like s…
- Late 1600's... - Developed the microscope- 2 lenses: compound,…
- 1824... - Organisms are composed of cells and a cohesive subst…
Modern Cell Theory
(1838-1839) Shwann and Schliden... 1. All cells come from pre-e…
Robert Hooke
- 1600s... - Put cork under magnifying glass, and saw box-like s…
Honors Biology - Chapter 6, Cell Structure
Cell Wall Composition
Cell Wall Function
Nucleus composition
nucleus function
Contains cellulose fibrils
helps the cell keep structure
nuclear envelope surrounding nucleoplasm, chromatin and nucle…
storage of genetic information (dna)
Cell Wall Composition
Contains cellulose fibrils
Cell Wall Function
helps the cell keep structure
25 terms
Chapter 6: Cell Organelle Structure and function
cell theory
organelle
plasma membrane
nucleus
generalization that all living things are composed of cells,…
part of a cell with a specific function
thin outer boundary of a cell that regulates the traffic of c…
in a cell, the part that houses the cell's genetic material i…
cell theory
generalization that all living things are composed of cells,…
organelle
part of a cell with a specific function
Chapter 6: Cell Structure Flashcards
Cell Wall
Plasma Membrane
Nuclear envelope
Ribosomes
Made from strong cellulose fibrils.
Holds cells together (supportive characteristic of cell).
Nuclear envelope is were things enter and exit through pores.
Ribosomes clinch onto the mRNA and hold creates new protein.
Cell Wall
Made from strong cellulose fibrils.
Plasma Membrane
Holds cells together (supportive characteristic of cell).
45 terms
Chapter 6: Cell Structure and Function
Cell Theory
Cytosol
Cytoplasm
Prokaryote
1. All living things are made of cells... 2. Cells are the basic…
Semifluid substance within the membrane
Composed of cytosol AND organelles
(bacteria) NO nuclear membrane... NO membrane bound organelles... D…
Cell Theory
1. All living things are made of cells... 2. Cells are the basic…
Cytosol
Semifluid substance within the membrane
64 terms
Biology 1020 Chapter 6 Cell structure and Functions
Cell size is limited due to what
What are the two basic cell types
Prokaryotic
Eukaryotic
surface area to volume ratio
prokaryotic and eukaryotic
Archaea or Bacteria ... Nucleoid... most are unicellular ... many don'…
Everything besides Archaea or Bacteria ... Nucleus ... Most are mul…
Cell size is limited due to what
surface area to volume ratio
What are the two basic cell types
prokaryotic and eukaryotic
50 terms
Chapter 6 : cells and their structure
Eukaryotes and prokaryotes
Magnification
Resolution
Contrast
Cell theory- all living organsims are composed of one or more…
Ratio between the size of an image produced by a microscope a…
Absolute to observe two adjacent objects as distinct from one…
How different one stricter looks from another
Eukaryotes and prokaryotes
Cell theory- all living organsims are composed of one or more…
Magnification
Ratio between the size of an image produced by a microscope a…
71 terms
Chapter 6 Biology: Cell Structure and Functions
Cell Fractionation
Prokaryotic Cells:
Eukaryotic Cells:
Cytoplasm:
The process of taking cells apart and separates major organel…
-DNA is concentrated in a region that is not membrane-enclose…
-DNA is in an organelle called the nucleus, which is bounded…
The interior of the cell.
Cell Fractionation
The process of taking cells apart and separates major organel…
Prokaryotic Cells:
-DNA is concentrated in a region that is not membrane-enclose…
51 terms
chapter 6 cell structure and function
What is the cell theory?
plasma membrane
cytoplasm
cytosol
-all living things are made up of one or more cells... -all cell…
encloses all cells, regulates material flow
fluid interior where cells metabolic reactions occur... contains…
fluid portion of cytoplasm, contains salts, water and organic…
What is the cell theory?
-all living things are made up of one or more cells... -all cell…
plasma membrane
encloses all cells, regulates material flow
80 terms
Chapter 6: Cell Structure and Function
Light Microscope (LM)
Magnification
Resolution
Contrast
visible light is passed through the specimen and then through…
the ratio of an object's image size to its real size
a measure of the clarity of the image... the minimum distance tw…
the difference in brightness between the light and dark areas…
Light Microscope (LM)
visible light is passed through the specimen and then through…
Magnification
the ratio of an object's image size to its real size
19 terms
Chapter 6: Cell Structure & Function
Cell Theory
Unicellular
Multicellular
Prokaryotic cells
1) All living things are composed of cells... 2) Cells are the b…
One cell. Ex: amoeba, bacteria
Many cells. Ex: worms, plants, humans
- No nucleus or organelles... - Bacteria and Archaea only!... - Pro…
Cell Theory
1) All living things are composed of cells... 2) Cells are the b…
Unicellular
One cell. Ex: amoeba, bacteria
25 terms
chapter 6: cell structure and function
light microscopes
electron microscopes (EM)
Prokaryotic
Eukaryotic
magnify up to 1000x actual
-scanning electron microscopes (SEMS) ... --view the surface of…
Domains: bacteria and archea ... They are SMALLER, have NO NUCLE…
domains: animals, plants, fungi, protist... They are BIGGER, MOR…
light microscopes
magnify up to 1000x actual
electron microscopes (EM)
-scanning electron microscopes (SEMS) ... --view the surface of…
12 terms
Chapter 6: Cell Structure and Function
Cell
As cell size __________, surface area-…
Eukaryotic cells
Compoments of eukaryotes... (See flowchar…
The basic unit of structure and function of organisms.... Note:…
Increases, Decreases.... The opposite is also true.... More surfa…
These exist in protists, fungi, plants, and animals.
Cell wall,... Plasma membrane,... Cytoplasm,... Nucleus,... Ribosomes,... Sm…
Cell
The basic unit of structure and function of organisms.... Note:…
As cell size __________, surface area-…
Increases, Decreases.... The opposite is also true.... More surfa…
126 terms
chapter 6 cell structure and function
the human egg
most bacteria, mitochondria, nucleus
the smallest bacteria, some viruses, a…
basic features of a cell
the bottom limit of what can be seen by the naked eye
the bottom limit of what can be seen with most light microsco…
can be seen by a super-resolution microscope
plasma membrane, cytosol, chromosomes, and ribosomes
the human egg
the bottom limit of what can be seen by the naked eye
most bacteria, mitochondria, nucleus
the bottom limit of what can be seen with most light microsco…
15 terms
Chapter 6 Cell Structure and Function
Cell theory
Plasma membrane
Nuclear envelope
Ribosomes
all living things are made of cells... cells are the basic unit…
phospholipid bilayer... selectively permeable (due to phobic tai…
contains genes in eukaryotes and is surronded by double membr…
synthesize proteins and are made of proteins and RNA
Cell theory
all living things are made of cells... cells are the basic unit…
Plasma membrane
phospholipid bilayer... selectively permeable (due to phobic tai…
Bio chapter 6- cell structure
Cell theory
***
Types of microscopes
All cells contain
Cells are the basic unit of structure and function in living…
All new cells come from preexisting cells
Pioneering, light, and electron
Cytoplasm, plasma membrane, genetic material, ribosomes
Cell theory
Cells are the basic unit of structure and function in living…
***
All new cells come from preexisting cells
71 terms
Chapter 6: The Cell and 7: Membrane Structure and Function
Magnification
Resolution
Light Microscope
Electron Microscope
ratio of an object's image size to its real size
measure of image clarity
visible light passes through specimen and glass lenses, lower…
focuses on a beam of electrons through a specimen onto its su…
Magnification
ratio of an object's image size to its real size
Resolution
measure of image clarity
48 terms
Cell Structure - Chapter 6 - Biology
All _____ things are made of cells
The cell is the basic unit of structur…
All cells come from pre-existing cells…
Robert _______
living
function
cell division
Hooke
All _____ things are made of cells
living
The cell is the basic unit of structur…
function
60 terms
Biology: Chapter 6 Cell Structure
Light microscope
Resolution
Nanometer
Micrometer
An optical instrument with lenses that refract light to magni…
A measure of the clarity of the image
.0000000001 m... .0000001 mm
.0001 mm... .0000001 m
Light microscope
An optical instrument with lenses that refract light to magni…
Resolution
A measure of the clarity of the image
54 terms
Bio Chapter 6 - Cell Structure
What are the parts to the cell theory?
What is the smallest basic unit of life?
What is needed to see most cells?
What is an organism made out of one ce…
1) All living things are composed of cells... 2) Cells are the b…
cells
microscope
unicellular
What are the parts to the cell theory?
1) All living things are composed of cells... 2) Cells are the b…
What is the smallest basic unit of life?
cells
46 terms
Chapter 6 : Cell Structure and Function
List 3 features that all living cells…
What limits the size of a cell?
Phospholipid Bilayer
Integral Membrane Proteins
1. Plasma Membrane 2. Cytosol 3. Chromosomes
The surface area to volume ratio
Stable boundary between two aqueous compartments
Penetrates the hydrophobic interior of a lipid bilayer
List 3 features that all living cells…
1. Plasma Membrane 2. Cytosol 3. Chromosomes
What limits the size of a cell?
The surface area to volume ratio
48 terms
Chapter 6: Cell Structure & Function
Cell
Desmosome
Tight junction
Gap junction
Smallest unit of life
"Spot welding"; a strong connection between two cells that un…
Prevents leakage of material between two cells (intestinal ce…
Help cells communicate with each other; found in cardiac muscle
Cell
Smallest unit of life
Desmosome
"Spot welding"; a strong connection between two cells that un…
46 terms
Biology - Chapter 6 - Cell Structure
all ______ things are made of cells
the cell is the basic unit of structur…
all cells come from pre-existing cells…
Robert ______ named the cell in 1665
living
function
cell division
Hooke
all ______ things are made of cells
living
the cell is the basic unit of structur…
function
46 terms
Chapter 6 : Cell Structure and Function
List 3 features that all living cells…
What limits the size of a cell?
Phospholipid Bilayer
Integral Membrane Proteins
1. Plasma Membrane 2. Cytosol 3. Chromosomes
The surface area to volume ratio
Stable boundary between two aqueous compartments
Penetrates the hydrophobic interior of a lipid bilayer
List 3 features that all living cells…
1. Plasma Membrane 2. Cytosol 3. Chromosomes
What limits the size of a cell?
The surface area to volume ratio
40 terms
Cell Structure: Chapter 6 A Tour of the Cell
Bacteria and archaea
Nucleus
Double membrane
Nucleoid
What two domains consists of prokaryotic cells?
In a eukaryotic cell, most of the DNA is located where?
In a eukaryotic cell, is the nucleus enclosed in a double mem…
In a prokaryotic cell, DNA is concentrated where?
Bacteria and archaea
What two domains consists of prokaryotic cells?
Nucleus
In a eukaryotic cell, most of the DNA is located where?
8 terms
Chapter 6 Cell Structure and Function
All cells are very small.
In respiration, glucose is broken down.
Light energy, water, and carbon dioxid…
Only animals undergo respiration.
True
True
True
False
All cells are very small.
True
In respiration, glucose is broken down.
True
36 terms
Chapter 6- Cell Structure & Function
What are the three components of the c…
What are the 3 main part of a cell?
What the two types of cells?
Describe a prokaryotic cell:
1) every organism is composed of one or more cells... 2) a cell…
-plasma membrane... -cytoplasm... -nucleus
-prokaryote... -eukaryot
-no nucleus... -no membrane bound organelles... -unicellular... -small…
What are the three components of the c…
1) every organism is composed of one or more cells... 2) a cell…
What are the 3 main part of a cell?
-plasma membrane... -cytoplasm... -nucleus
44 terms
Chapter 6 Cell Structure Questions
What structure do all cells have that…
What region in the prokaryotic cell ho…
What substance in the cell allows orga…
What two things are embedded in the pl…
plasma membrane
nucleoid
the cytosol
proteins and enzymes known as mitochondria functions (which p…
What structure do all cells have that…
plasma membrane
What region in the prokaryotic cell ho…
nucleoid
29 terms
Chapter 6 Cell Structure/Function
Microscopy
Light Miscroscope
Transmission Electron Miscroscope
Scanning Electron Miscroscope
Provides enlargement andresolution
Enlargement is provided by an objective lense and ocular lens…
Illumination is provided by an electron bean... Lenses are elect…
Electrons do not pass through the specimen ... Can see the struc…
Microscopy
Provides enlargement andresolution
Light Miscroscope
Enlargement is provided by an objective lense and ocular lens…
1 of 10