Study sets matching "cell structure chapter 4"

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Study sets matching "cell structure chapter 4"

11 terms
Cell Structure (chapter 4)
Cell Theory (people)
Cell Theory
Cell size is
As cell size _____, it takes ______ fo…
Cells were discovered in 1665 by Robert Hooke... Schleiden and…
1. all organisms are composed of cells... 2. cells are the smal…
limited
increases, longer
Cell Theory (people)
Cells were discovered in 1665 by Robert Hooke... Schleiden and…
Cell Theory
1. all organisms are composed of cells... 2. cells are the smal…
36 terms
Chapter 4: Cell Structure
Eukaryotes vs Prokaryotes
Anthony van Leeuwenhoek
Types of movement of prokaryoties
Eukaryotes have...
Contain membrane bound organelles including a nucleus, prokar…
Dutch shopkeeper who crafted lenses, first to view a cell. Fi…
- Flagella: Used for movement... - Pili: Exchange genetic info... -…
-membrane bound nucleus... - membrane bound organelles... - several…
Eukaryotes vs Prokaryotes
Contain membrane bound organelles including a nucleus, prokar…
Anthony van Leeuwenhoek
Dutch shopkeeper who crafted lenses, first to view a cell. Fi…
Cell Structure and Function- Chapter 4
Cell
Chloroplast
Endoplasmic Reticulum (ER)
Endosymbiosis
The basic unit of structure and function for all living organ…
An organelle found in plant cells and the cells of other euka…
An organelle, containing folded membranes and sacs, responsib…
A theorized process in which early eukaryotic cells were form…
Cell
The basic unit of structure and function for all living organ…
Chloroplast
An organelle found in plant cells and the cells of other euka…
70 terms
Chapter 4 Cell Structure
Functions of intermediate fibers (3)
____ filaments are associated with cel…
Functions of microtubules (5)
Functions of actin filaments
- structural stability... - anchorage of cell... - mechanical stren…
Actin
- moving materials within cell... - facilitating cellular moveme…
- cell movement (crawling)... - cell strength... - pinching of cell…
Functions of intermediate fibers (3)
- structural stability... - anchorage of cell... - mechanical stren…
____ filaments are associated with cel…
Actin
Chapter 4 Cell Structure
prokaryotes
nucleoid
eukaryotes
nuclear envelope
the simplest organisms. Consist of cytoplasm surrounded by a…
center of the cell in prokaryotes
more complex organisms with interior compartments
double phospholipid bilayer membrane structure around the nuc…
prokaryotes
the simplest organisms. Consist of cytoplasm surrounded by a…
nucleoid
center of the cell in prokaryotes
67 terms
Chapter 4 cell structure
diffusion
Schlediden and Schwann
Robert Hook
Cell Theory
Movement of molecules from an area of higher concentration to…
proposed the cell theory
discovered cells in 1665
1.) All cells come from pre-existing cells... 2.) Cells are the…
diffusion
Movement of molecules from an area of higher concentration to…
Schlediden and Schwann
proposed the cell theory
Chapter 4: Cell Structure
Resolving power
Electron microscope
Light microscope
unified cell theory
the ability of a microscope to distinguish two adjacent struc…
microscope that forms an image by focusing beams of electrons…
Microscope that uses a beam of light passing through one or m…
all living things are composed of one or more cells
Resolving power
the ability of a microscope to distinguish two adjacent struc…
Electron microscope
microscope that forms an image by focusing beams of electrons…
56 terms
CHAPTER 4: Cell Structure
surface area-to-volume ratio
prokaryotes
nucleoid
nuclear envelope
relationship of the surface area of a structure, such as a ce…
a bacterium; a cell lacking a membrane-bounded nucleus or mem…
the area of a prokaryotic cell, usually near the center, that…
the bounding structure of the eukaryotic nucleus. Composed of…
surface area-to-volume ratio
relationship of the surface area of a structure, such as a ce…
prokaryotes
a bacterium; a cell lacking a membrane-bounded nucleus or mem…
27 terms
Chapter 4 cell structure
prokaryotes
eukaryotes
cytosol
nucleus and endomembrane system
contain bacteria and archaea
composed of three compartments... cytosol, nucleus and endomembr…
site of macromolecule metabolism... outside the cell organelles…
genetic control center, and highway system includes nucleus E…
prokaryotes
contain bacteria and archaea
eukaryotes
composed of three compartments... cytosol, nucleus and endomembr…
81 terms
Cell Structure Chapter 4
Cells were discovered
Early studies of cells were conducted by
Schleiden and Schwann proposed
Cell Theory
in 1665 by Robert Hooke
-Mathias Schleiden (1838)... -Theodor Schwann (1839)
the Cell Theory
-All organisms are composed of cells ... -Cells are the smallest…
Cells were discovered
in 1665 by Robert Hooke
Early studies of cells were conducted by
-Mathias Schleiden (1838)... -Theodor Schwann (1839)
Chapter 4: Cell Structure
Cell Theory (1,2a,2b,3)
Structural Organization of Cells: All…
Plasma membrane: outermost membrane
Nucleus or nucleoid
1. All living things are made up of one or more cells... 2a. Cel…
~Plasma membrane: outermost membrane... ~Nucleus or nucleoid... ~Cy…
~maintains the cell as a distinct entity... ~allows metabolic ev…
depending on the super kingdom (eukaryote vs. prokaryote), DN…
Cell Theory (1,2a,2b,3)
1. All living things are made up of one or more cells... 2a. Cel…
Structural Organization of Cells: All…
~Plasma membrane: outermost membrane... ~Nucleus or nucleoid... ~Cy…
43 terms
Chapter 4- Cell Structure
cell wall
central vacuole
centrosome
chlorophyll
rigid cell covering made of cellulose that protects the cell,…
large plant cell organelle that regulates the cell's storage…
region in animal cells made of two centrioles
green pigment that captures the light energy that drives the…
cell wall
rigid cell covering made of cellulose that protects the cell,…
central vacuole
large plant cell organelle that regulates the cell's storage…
28 terms
Chapter 4: Cell Structure
Cell Theory
Prokaryotes
Eukaryotes
Cytoplasm
1. All organisms are composed of 1 or more cells... 2. Cells are…
No nucleus
Nucleus
Semifluid matrix
Cell Theory
1. All organisms are composed of 1 or more cells... 2. Cells are…
Prokaryotes
No nucleus
Chapter 4: Cell Structure
Prokaryotes
Cytoplasm
Cytosol
Plasma Membrane
•Smaller and have no organelles.... •Single Cell organisms ... •rig…
Space in the cell
The liquid in the cell
Barrier of the cell
Prokaryotes
•Smaller and have no organelles.... •Single Cell organisms ... •rig…
Cytoplasm
Space in the cell
74 terms
Chapter 4 Cell Structure
Cell Theory
Cell size is limited
Microscopy allows visualization of cel…
Types of microscopes: Light microscope
Proposed by Schleiden and Schwann.... Three Principles: ... 1. Al…
Limited by surface area-to-volume ratio: as a cell increases…
Resolving power: ability to distinguish detail.... The smallest…
Uses light to resolve images... Compound microscope: 2 sets of l…
Cell Theory
Proposed by Schleiden and Schwann.... Three Principles: ... 1. Al…
Cell size is limited
Limited by surface area-to-volume ratio: as a cell increases…
25 terms
Chapter 4: Cell Structure
cell wall and/or membrane, cytoplasm,…
cell wall and/or membrane
cytoplasm or cytosol
nucleus
three main areas of a cell wall
forms the outer layer
contains the organelles
bounded by a nuclear membrane; contains chromosomes
cell wall and/or membrane, cytoplasm,…
three main areas of a cell wall
cell wall and/or membrane
forms the outer layer
Cell Structure -- Chapter 4
cell
tissue
cell theory
ribosome
basic unit of life
group of cells that carry out a specific function
all living things are made of cells... cells are made from preex…
structure responsible for protein synthesis. found on rough E…
cell
basic unit of life
tissue
group of cells that carry out a specific function
Chapter 4 Cell Structure
Cell Theory
Prokaryote
Eukaryote
Mitochondria
all organisms are composed of cells. Cells are the smallest l…
has a nucleoid, cell membrane, ribosomes and cytoplasm
has a nucleus, organelles, ribosomes, cell membrane, and cyto…
metabolize molecules to generate ATP... site of oxidative metabo…
Cell Theory
all organisms are composed of cells. Cells are the smallest l…
Prokaryote
has a nucleoid, cell membrane, ribosomes and cytoplasm
Chapter 4 cell structure
No energy used by the cell to bring ma…
Movement of molecule from an area of h…
The difference in the concentration of…
Molecules are evenly distributed, an e…
Passive Transport
Diffusion
Concentration gradient
Equilibrium
No energy used by the cell to bring ma…
Passive Transport
Movement of molecule from an area of h…
Diffusion
Chapter 4- Cell Structure
components of cell theory (4)
things that affect rate of diffusion (4)
resolution
Robert Hooke
1. all living organisms are composed of cells... 2. cells are th…
1. surface area of a cell... 2. temperature... 3. concentration gra…
minimal distance between 2 points under a microscope can be a…
used a microscope and was the first person to observe and nam…
components of cell theory (4)
1. all living organisms are composed of cells... 2. cells are th…
things that affect rate of diffusion (4)
1. surface area of a cell... 2. temperature... 3. concentration gra…
Chapter 4 - Cell Structure
cell theory
cytoplasm
nucleus
organelle
Theory that all organisms consist of one or more cells, which…
Semifluid substance enclosed by a cell's plasma membrane.
Of eukaryotic cell, organelle with a double membrane that hol…
Structure that carries out a specialized metabolic function i…
cell theory
Theory that all organisms consist of one or more cells, which…
cytoplasm
Semifluid substance enclosed by a cell's plasma membrane.
43 terms
Chapter 4: Cell Structure
Prokaryotes
Nucleoid
Nuclear Envelope
Plasma Membrane
Simplest organism
Circular molecule of DNA
Double membrane around the nucleus 2 phospholipid bilayers
Encloses a cell and separates its contents from surroundings
Prokaryotes
Simplest organism
Nucleoid
Circular molecule of DNA
25 terms
Chapter 4: Cell Structure
Nucleoid
Nuclear envelope
Cytoplasm
Organelle
stores DNA; located near center of prokaryotic cell
two phospholipid bilayer membranes; binds surface of nucleus
semifluid substance that fills interior of the cell; contains…
any macromolecular structure in cytoplasm specialized for a p…
Nucleoid
stores DNA; located near center of prokaryotic cell
Nuclear envelope
two phospholipid bilayer membranes; binds surface of nucleus
51 terms
Chapter 4 Cell Structure
light microscope
organelles
electron microscope
transmission electron microscope
visible light passed through specimen/ glass lenses, resoluti…
membrane enclosed structures within eukaryotic cells
focuses a beam of electrons through specimen onto its surface
used to study internal structure of cells(small things), uses…
light microscope
visible light passed through specimen/ glass lenses, resoluti…
organelles
membrane enclosed structures within eukaryotic cells
25 terms
Chapter 4 Cell Structure
nucleoid
nuclear envelope
cytoplasm
organelle
the area of a prokaryotic cell, usually near the center, that…
the bounding structure of the eukaryotic nucleus (composed of…
the material within a cell, excluding the nucleus; the protop…
specialized part of a cell; literally, a small cytoplasmic or…
nucleoid
the area of a prokaryotic cell, usually near the center, that…
nuclear envelope
the bounding structure of the eukaryotic nucleus (composed of…
51 terms
Chapter 4 Cell Structure
Unicellular
Multicelluar
Cell Wall
Cell Membrane
Consisting of a single cell
Organisms that consist of more than a single cell.
strong wall outside a plant cell's plasma membrane that prote…
the semipermeable membrane surrounding the cytoplasm of a cell.
Unicellular
Consisting of a single cell
Multicelluar
Organisms that consist of more than a single cell.
31 terms
Chapter 4 cell structure and function
cell
cell theory
Robert Hooke
Anton Van Leeuwenhoek
the smallest unit that can carry on all of the process of life
1) all living things are composed of one or more cells ... 2) ce…
Viewed a slice of cork from an oak tree and noticed "a great…
1st person to observe live cells
cell
the smallest unit that can carry on all of the process of life
cell theory
1) all living things are composed of one or more cells ... 2) ce…
33 terms
Chapter 4- Cell Structure and Function
Cell Theory
Surface-area-to-volume ratio
Prokaryotic Cells
Eukaryotic Cells
1. All organisms are composed of cells.... 2. Cells are the basi…
Ratio of a cell's outside area to its internal volume; this r…
Lack a membrane bound nucleus
Posses a true nucleus
Cell Theory
1. All organisms are composed of cells.... 2. Cells are the basi…
Surface-area-to-volume ratio
Ratio of a cell's outside area to its internal volume; this r…
Chapter 4: Cell Structure and Function
Cell
Cell membrane, cytoplasm, and nucleus
Anton von Leeuwenhoek (1632-1723)
Robert Hooke (1635-1703)
basic unit of structure and function of all living organisms…
basic cell parts
1. studied pond water using simple microscope... 2. observed cel…
1. viewed cork using a microscopic... 2. used the term "cell" -…
Cell
basic unit of structure and function of all living organisms…
Cell membrane, cytoplasm, and nucleus
basic cell parts
Chapter 4: Cell Structure and Function
Matthias Schleiden
Theodor Schwann
Rudolf Virchow
Cell Theory
(1838) German botanist who concluded that cells and substance…
(1839) Schleiden's friend and collaborator who drew similar c…
German physician who completed the idea of cell theory in 1855.
Fundamental concept of biology that concludes that all cells…
Matthias Schleiden
(1838) German botanist who concluded that cells and substance…
Theodor Schwann
(1839) Schleiden's friend and collaborator who drew similar c…
Cell Structure and Function (chapter 4)
cell wall
nucleus
cell membrane
ribosome
protection and support for plants, fungi, bacteria, and some…
stores and protects DNA in a eukaryote (controls cell activity)
controls what enters and exits the cell; made of a phospholip…
synthesizes proteins
cell wall
protection and support for plants, fungi, bacteria, and some…
nucleus
stores and protects DNA in a eukaryote (controls cell activity)
48 terms
Microbio Chapter 4: Cell structure
Prokaryotic cells: Shapes
-Bacillus
Coccus
Spiral
-Average size: 0.2-1.0 micrometer X 2-8 micrometer... -a few are…
(Rod-shaped)... 1. Diplobacilli (two rods together)... 2. Streptoba…
(spherical)
Prokaryotic cells: Shapes
-Average size: 0.2-1.0 micrometer X 2-8 micrometer... -a few are…
-Bacillus
(Rod-shaped)... 1. Diplobacilli (two rods together)... 2. Streptoba…
Chapter 4 Cell Structure
unicellular
multicellular
cell wall
cell membrane
the simplest organisms have one cell
more complex organisms are made of many cells
outer layer of a cell in plants
part of the outer layer in plants and animals; outer membrane…
unicellular
the simplest organisms have one cell
multicellular
more complex organisms are made of many cells
22 terms
Lab Chapter 4: Cell Structure
Plasma Membrane
Cytoplasm
Cytosol
Organelles
Structure: Phospolipid bilayer with associated proteins and c…
Region between the plasma membrane and nucelus that is compos…
Structure: Thick, gel-like fluid composed mostly of water and…
Structure: Formed bodies suspended within cytosol.
Plasma Membrane
Structure: Phospolipid bilayer with associated proteins and c…
Cytoplasm
Region between the plasma membrane and nucelus that is compos…
46 terms
Chapter 4: Cell Structure
Unicellular
Multicellular
Cell Wall
Cell Membrane
The simplest organisms consisting of a single cell.
More complex organisms consisting of many cells.
Rigid structure that forms the outer layer of plants, bacteri…
Forms the outer layer of animal cells. Also found underneath…
Unicellular
The simplest organisms consisting of a single cell.
Multicellular
More complex organisms consisting of many cells.
52 terms
Chapter 4 - Cell Structure
Robert Hooke
Leeuwenhoek
Mathias Schleiden
Theodor Schwann
Discovered and named cells in 1665
microscopist and microbiologist; observed living cells, "anim…
all plants are made of cells (1838)
all animals are made of cells (1839)
Robert Hooke
Discovered and named cells in 1665
Leeuwenhoek
microscopist and microbiologist; observed living cells, "anim…
Chapter 4 Cell structure
Smallest unit of life
Cell Theory
Prokaryotic cell
Eukaryotic cell
Cell
All organisms are composed of cells, they are the smallest li…
lack a membrane bound nucleus, 2 types archea and bacteria
Have a membrane bound nucleus, complex, posses a cytoskeleton
Smallest unit of life
Cell
Cell Theory
All organisms are composed of cells, they are the smallest li…
20 terms
Chapter 4: Cell Structure and Function
Robert Hooke
Anton Van Leeuwenhoek
Cell Theory
Cell Shape and Function
discovered cells in cork
observed first living cells
1. All living organisms are composed of one or more cells... 2.…
cells have a shape that allows the cell to perform its functi…
Robert Hooke
discovered cells in cork
Anton Van Leeuwenhoek
observed first living cells
13 terms
Chapter 4 - Cell Structure and Function
Cell Theory
Cells (All)
Prokaryotic Cells
Eukaryotic Cells
All living things are made of one or more cells... Cells are fun…
A) Obtaining energy and nutrients... B) Synthesizing biological…
Don't have a nucleus, form bacteria and archaea
Have a nucleus, make up animals, plants, fungi and protists
Cell Theory
All living things are made of one or more cells... Cells are fun…
Cells (All)
A) Obtaining energy and nutrients... B) Synthesizing biological…
65 terms
cell structure chapter 4
cell
cell theory?
homeostasis
surface area-to-volume ratio?
the smallest unit that can carry on all the oricesses of life
1. all living organisms are composed of one or more cells ... 2.…
the ability to maintain a constant internal environment
the relationship of the cells outer surface area to its volume
cell
the smallest unit that can carry on all the oricesses of life
cell theory?
1. all living organisms are composed of one or more cells ... 2.…
11 terms
Chapter 4 Cell Structure
Endoplasmic Veticulum
Cell Wall
Cell membrane
lysosome
Transport system for materials in the cell
supporting structure
controls what goes in and out of the cell
Get's rid of waste such as old cell parts
Endoplasmic Veticulum
Transport system for materials in the cell
Cell Wall
supporting structure
Chapter 4: Cell Structure and Organelles
Cell Theory
Why the size of the cells matters
4 Components of a Cell
History of the discovery of cells
1. All living things are made of cells... 2. All cells come from…
smaller cells more effectively transport nutrients and wastes…
1. Plasma membrane- outer boundary of a cell... 2. Nucleus- brai…
Robert Hooke discovered cells when observing cork through a m…
Cell Theory
1. All living things are made of cells... 2. All cells come from…
Why the size of the cells matters
smaller cells more effectively transport nutrients and wastes…
78 terms
Chapter 4 - Cell Structure
3 principles of cell theory
Rate of diffusion affected by what var…
Why would an organism made up of small…
Surface Area to Volume Ratio
1. All organisms are composed of cells, and the life processe…
1. Surface area... 2. Temperature... 3. Concentration gradient of d…
Faster rate of transport ... - Transport of energy/biosynthesis…
As cell size increases, its volume increases more rapidly tha…
3 principles of cell theory
1. All organisms are composed of cells, and the life processe…
Rate of diffusion affected by what var…
1. Surface area... 2. Temperature... 3. Concentration gradient of d…
Cell Structure Chapter 4
endomembrane system does...
ribosomes do and are made of
nucleus of euk. cells made of and func…
euk cells have... that prok. cells dont
divides cell compartments; cellular functions are Gogli appar…
synthesize proteins, attached to internal membranes, made of…
-stores genetic material in form of chromosomes where DNA is…
cytoskeleton for support and membrane bound nucleus, organell…
endomembrane system does...
divides cell compartments; cellular functions are Gogli appar…
ribosomes do and are made of
synthesize proteins, attached to internal membranes, made of…
46 terms
Chapter 4: The Cell (Structure and Function)
Cell Theory
Microscopic
Plasma Membrane
Cytoplasm
1) All living organisms consist of one or more cells... 2) Cells…
What is the size of a cell?
All cells have a membrane called a...
All cells are filled with a fluid called
Cell Theory
1) All living organisms consist of one or more cells... 2) Cells…
Microscopic
What is the size of a cell?
Chapter 4 Cell Structure and Function
________________ is the study of cells.
The _light microscope____ was invented…
___________________ named and describe…
In the 1839, two German scientists, Sc…
Cytology
Antony... van Leeuwenhoek
Robert Hooke
cell theory
________________ is the study of cells.
Cytology
The _light microscope____ was invented…
Antony... van Leeuwenhoek
29 terms
Chapter 4 Cell Structure
What are the three main principles of…
What features and structures are commo…
Why is the optimal cell size is relati…
Basic facts about prokaryotic cells
Every living organism is made of one or more cells... Cells are…
Plasma membrane, cytoplasm, cytoplasmic fluid, DNA, RNA, ribo…
Cell function limits cell size. Also, the need for cells to e…
Form the simplest forms of life. ... Earliest cells... No nucleus... U…
What are the three main principles of…
Every living organism is made of one or more cells... Cells are…
What features and structures are commo…
Plasma membrane, cytoplasm, cytoplasmic fluid, DNA, RNA, ribo…
9 terms
Chapter 4- Cell Structure
Cells
who discovered cells?
Cell Theory
Cell Size is limited
-differ in size... -differ in complexity ... -structure correlates…
-Robert Hooke in 1665. ... -early studies conducted by schleiden…
1. All organisms are composed of one ormore cells... 2. Cells ar…
• Most cells are relatively small (10-100 µm) due reliance on…
Cells
-differ in size... -differ in complexity ... -structure correlates…
who discovered cells?
-Robert Hooke in 1665. ... -early studies conducted by schleiden…
Chapter 4: Cell Structure
Cell Theory
Rate of Diffusion Affected by
Surface-Area to Volume Ratio
Resolution
1. All organisms are composed of living cells... 2. Cells are th…
-Surface area available... -Temperature... -Concentration of gradie…
Organisms made of many small cells has an advantage over an o…
Minimum distance two points can be apart and still be disting…
Cell Theory
1. All organisms are composed of living cells... 2. Cells are th…
Rate of Diffusion Affected by
-Surface area available... -Temperature... -Concentration of gradie…
Chapter 4 Cell Structures
unified cell theory
prokaryote
nucleoid
eukaryote
a biological concept that states that all organisms are compo…
unicellular organism that lacks a nucleus or any other membra…
central part of a prokaryotic cell in which the chromosome is…
cell that has a membrane-bound nucleus and several other memb…
unified cell theory
a biological concept that states that all organisms are compo…
prokaryote
unicellular organism that lacks a nucleus or any other membra…
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