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Study sets matching "cell structure chapter 4"

31 terms
Chapter 4 - Cell Structure
cell membrane
fluid mosaic model
selectively permeable
passive transport
thin covering that forms the outer boundary of the cell
accurate model of cell membrane; lipids and proteins
certain molecules are allowed to pass through
movement of substance through a membrane without using the ce…
cell membrane
thin covering that forms the outer boundary of the cell
fluid mosaic model
accurate model of cell membrane; lipids and proteins
21 terms
Cell Structure Chapter 4
cell membrane
cell wall
centrioles
chloroplasts
thin, flexible barrier around a cell; regulates what enters a…
strong supporting layer around the cell membrane in plants, a…
one of two tiny structures located in the cytoplasm of animal…
organelle found in cells of plants and some other organisms t…
cell membrane
thin, flexible barrier around a cell; regulates what enters a…
cell wall
strong supporting layer around the cell membrane in plants, a…
16 terms
Cell Structure Chapter 4
Cell wall
Chloroplast
Nucleus
Nuclear envelope
Protects, structurally supports cell
Specializes in photosynthesis
Keeps DNA separated from cytoplasm
Double membrane surrounding the nucleus
Cell wall
Protects, structurally supports cell
Chloroplast
Specializes in photosynthesis
34 terms
Chapter 4 - Cell Structure
Cell Theory-
Surface area-to-volume ratio-
Resolution-
Light microscope-
The idea that cells are the basic unit of structure in every…
Also called the surface-to-volume ratio. ... Is the amount of su…
Resolution is the ability to distinguish two objects from eac…
A type of microscope which uses visible light and a system of…
Cell Theory-
The idea that cells are the basic unit of structure in every…
Surface area-to-volume ratio-
Also called the surface-to-volume ratio. ... Is the amount of su…
18 terms
Chapter 4: Cell Structure
Cell membrane
Cell wall
Chloroplast
Cilia
The membrane that surrounds all the cytoplasm of a cell
A rigid structure that surrounds the cell membrane
Is cellular organelle that contains chlorophyll and other pig…
Short hair like extensions from the cell membrane that aid in…
Cell membrane
The membrane that surrounds all the cytoplasm of a cell
Cell wall
A rigid structure that surrounds the cell membrane
32 terms
Chapter 4: Cell Structure
Light Microscope
Scanning Election Microscope (SEM)
Transmission Electron Microscope (TEM)
Cell Theory
Magnifies cell; Resolution to see 2 diff objects (color)
Shows cellular surfaces (B&W)
Shows internal structures (B&W)
1. Organisms composed of cells... 2. Smallest living things... 3. A…
Light Microscope
Magnifies cell; Resolution to see 2 diff objects (color)
Scanning Election Microscope (SEM)
Shows cellular surfaces (B&W)
40 terms
Chapter 4 Cell Structure
Cell Theory Principles
Surface area-to-volume ratio
Why is it important for cells to have…
Cytosol
all organisms are made of 1 or more cells... all existing cells…
As a cell gets larger, its volume increases at a faster rate…
Surface area must be large enough to meet metabolic needs of…
Portion of cytoplasm containing ion, organic molecules in sol…
Cell Theory Principles
all organisms are made of 1 or more cells... all existing cells…
Surface area-to-volume ratio
As a cell gets larger, its volume increases at a faster rate…
25 terms
Chapter 4 - Cell Structure
cell membrane
cytoplasm
nucleus
ribosome
flexible barrier around a cell; regulates what enters and lea…
The fluid material inside of a cell that supports the cell an…
Brain of the cell, contains all the cell's DNA with coded ins…
assembles amino acids to create proteins
cell membrane
flexible barrier around a cell; regulates what enters and lea…
cytoplasm
The fluid material inside of a cell that supports the cell an…
31 terms
Chapter 4 - Cell Structure
cell membrane
fluid mosaic model
selectively permeable
passive transport
thin covering that forms the outer boundary of the cell
accurate model of cell membrane; lipids and proteins
certain molecules are allowed to pass through
movement of substance through a membrane without using the ce…
cell membrane
thin covering that forms the outer boundary of the cell
fluid mosaic model
accurate model of cell membrane; lipids and proteins
40 terms
Cell Structure Chapter 4
cell membrane
cell wall
centrioles
chloroplasts
thin, flexible barrier around a cell; regulates what enters a…
strong supporting layer around the cell membrane in plants, a…
one of two tiny structures located in the cytoplasm of animal…
organelle found in cells of plants and some other organisms t…
cell membrane
thin, flexible barrier around a cell; regulates what enters a…
cell wall
strong supporting layer around the cell membrane in plants, a…
36 terms
Chapter 4: Cell Structure
Prokaryotic (Cell)
Archaea
Bacteria
Eukaryotic (Cell)
• Simplest organisms; small (1 to 10 mm)... • Genome is circular…
• Difficult to culture in the lab (native to extreme environm…
• Most bacterial cells are encased by a strong cell wall... - Co…
• Possess a membrane-bound nucleus... • More complex than prokar…
Prokaryotic (Cell)
• Simplest organisms; small (1 to 10 mm)... • Genome is circular…
Archaea
• Difficult to culture in the lab (native to extreme environm…
60 terms
Cell Structure - Chapter 4
Robert Hooke
Mathias Schleiden
Theodor Schwann
Cell Theory
the man who discovered cells in 1665
(1838) proposed the cell theory
(1839) proposed the cell theory
all living things are composed of cells, cells are the smalle…
Robert Hooke
the man who discovered cells in 1665
Mathias Schleiden
(1838) proposed the cell theory
24 terms
Chapter 4 Cell Structure
Cell Theory: Five tenets
Light Microscope Images: RBCs and a Di…
Transmission Electron Micrograph (TEM)…
Prokaryote (Pro=before)
1. All living things are composed of cells.... 2. The cell is th…
Two significant advantage of LM is that specimens can be obse…
Notice HD detail in surrounding cells.
*Very small/primitive... *lacks most organelles (no nucleus)... *Ha…
Cell Theory: Five tenets
1. All living things are composed of cells.... 2. The cell is th…
Light Microscope Images: RBCs and a Di…
Two significant advantage of LM is that specimens can be obse…
Chapter 4 Cell Structure
Cells
Cell Theory
Cell Size is limited
Surface area-to-volume ratio
-Cells were first discovered in cork in 1665 by Robert Hooke.…
-All organisms are composed of cells... -Cells are the basic uni…
Most cells are relatively small due to the need for diffusion…
As a cell's size increases, its volume increases much more ra…
Cells
-Cells were first discovered in cork in 1665 by Robert Hooke.…
Cell Theory
-All organisms are composed of cells... -Cells are the basic uni…
32 terms
Chapter 4 Cell Structure
Prokaryotic Cells
Prokaryote
Nucleiod
Cell Wall
Includes:... -Pilus... -Cytoplasm... -Ribosomes... -Nucleiod... -Plasma Memb…
-0.2 - 2.0um in diameter... -No nuclear membrane... -No membrane bo…
-Near the center of the cell... -DNA is found
-The rigid, outermost layer of the cells ... -Surrounds the plas…
Prokaryotic Cells
Includes:... -Pilus... -Cytoplasm... -Ribosomes... -Nucleiod... -Plasma Memb…
Prokaryote
-0.2 - 2.0um in diameter... -No nuclear membrane... -No membrane bo…
58 terms
Chapter 4 Cell Structure
Robert Hooke
Schleiden
schwann
Schleiden and Schwann
discovered cells
plants cells
animal cells
proposed the cell theory
Robert Hooke
discovered cells
Schleiden
plants cells
18 terms
Chapter 4: Cells and Cell Structure
Cell membrane
Lipid Bilayer
Selectively Permeable
Proteins
Forms a boundary that separates the inside of the cell from t…
In the cell membrane, the lipid molecules are arranged into t…
Ability to regulate the passage of molecules
Large molecules made up of smaller molecules called amino aci…
Cell membrane
Forms a boundary that separates the inside of the cell from t…
Lipid Bilayer
In the cell membrane, the lipid molecules are arranged into t…
38 terms
Chapter 4 - Cell Structure & Function
Cell Theory
Prokaryotic Cell
Eukaryotic Cell
Plant Cell
1. Cell is basic unit of life... 2. All living things are made u…
Cells that lack a nucleus and organelles (except ribosomes);…
Cells that contain a nucleus and organelles; Domain Eukarya (…
Eukaryotic cells which contains a cell wall, chloroplast, lar…
Cell Theory
1. Cell is basic unit of life... 2. All living things are made u…
Prokaryotic Cell
Cells that lack a nucleus and organelles (except ribosomes);…
22 terms
CHAPTER 4 | CELL STRUCTURE
the smallest unit of life.
Most cells are so tiny that they canno…
provide higher... magnification, higher r…
states that all organisms are composed…
cell
scientists use microscopes to study cells because
Electron microscopes
The unified cell theory
the smallest unit of life.
cell
Most cells are so tiny that they canno…
scientists use microscopes to study cells because
Chapter 4-Cell Structure and Function
Thylakoid
Cell
Tissue
Cytosol
A flattened membrane sac inside the chloroplast, used to conv…
Basic unit of life
Group of cells that carry out a specific function
Fluid portion of cytoplasm
Thylakoid
A flattened membrane sac inside the chloroplast, used to conv…
Cell
Basic unit of life
32 terms
Chapter 4: Cell Structure
organism
selectively permeable
passive transport
energy
any living thing
the ability to choose which substance an pass through
the passage of substances across a membrane without the use o…
the ability to do work
organism
any living thing
selectively permeable
the ability to choose which substance an pass through
112 terms
Chapter 4 - Cell Structure & Function
Controls what enters or leaves cell
chromatin
prokaryotes
vacuole
What is the function of the cell membrane?
When DNA is spread out in the nucleus of a cell of non-dividi…
Bacteria are prokaryotes or eukaryotes?
This storage space... is a ___________.
Controls what enters or leaves cell
What is the function of the cell membrane?
chromatin
When DNA is spread out in the nucleus of a cell of non-dividi…
47 terms
Chapter 4 Cell Structure and Function
Cell theory
surface-area-to-volume ratio
Prokaryotic cells
Eukaryotic cell
1. all organisms are composed of cells... 2. cells are the basic…
surface area to volume is a big deal to get sufficient exchan…
lack a membrane-enclosed nucleus
has a nucleus
Cell theory
1. all organisms are composed of cells... 2. cells are the basic…
surface-area-to-volume ratio
surface area to volume is a big deal to get sufficient exchan…
26 terms
Chapter 4: Cell Structure
What are the three main areas in a Euk…
What are the cell walls of plants, bac…
What is the cell membrane made of? Wha…
What is diffusion?
Cell wall/membrane (forms the outer layer)(plants, bacteria,…
Plants - cellulose (polysaccharide) ... Bacteria - peptidoglycan…
Lipids, proteins ... Structure: ... • phosphate (hydrophilic)... • fa…
the movement of a substance from high concentration to low co…
What are the three main areas in a Euk…
Cell wall/membrane (forms the outer layer)(plants, bacteria,…
What are the cell walls of plants, bac…
Plants - cellulose (polysaccharide) ... Bacteria - peptidoglycan…
91 terms
Chapter 4: Cell Structure
Cell Theory Principles
Rate of Diffusion Variables
surface area-to-volume ratio
Are small or bigger cells more effecti…
1) All organisms are composed of one ore more cells, and the…
1) surface area available for diffusion... 2) temperature... 3) con…
Relationship of the surface area of a structure, such as a ce…
Small cells have more surface area per unit of volume than la…
Cell Theory Principles
1) All organisms are composed of one ore more cells, and the…
Rate of Diffusion Variables
1) surface area available for diffusion... 2) temperature... 3) con…
35 terms
Chapter 4 Cell Structure & Function
cell
cell theory
plasma membrane
cytoplasm
in biology, the smallest unit that can perform all life proce…
a concept that states that all living things are made up of c…
cell membrane, acts as a barrier between the inside and outsi…
the region of the cell within the membrane that includes the…
cell
in biology, the smallest unit that can perform all life proce…
cell theory
a concept that states that all living things are made up of c…
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…
30 terms
Chapter 4: Cell Structure
Cells are the ____________________
Cell Theory
Where do cells fit in the hierarchy of…
Why are Cells So Small
Basic unit of life
All organisms are composed of cells, Cells are the smallest l…
first level of living organisms
Cell size limited by diffusion of substances in and out of ce…
Cells are the ____________________
Basic unit of life
Cell Theory
All organisms are composed of cells, Cells are the smallest l…
98 terms
Chapter 4: Cell Structure
Cell Theory consists of what three laws:
Characteristics of all Cells
Prokaryotic Cells
Cell wall is tough and rigid, composed…
1. All organisms are composed of one or more cells, and the l…
1. Centrally located genetic material: DNA in a nuclear envel…
1.Prokaryotic cells include bacteria and archae... 2. Small and…
peptidoglycan
Cell Theory consists of what three laws:
1. All organisms are composed of one or more cells, and the l…
Characteristics of all Cells
1. Centrally located genetic material: DNA in a nuclear envel…
35 terms
Chapter 4: Cell structure and function
Cell Theory
Surface-area-to-volume-ratio
Prokaryotic cells lack:
2 domains of prokaryotic cells:
1. All organisms are composed of cells... 2. Cells are the basic…
requires that cells be small... Small cells- advantageous for ex…
membrane bound nucleous
-Bacteria - causes diseases but are also environmentally impo…
Cell Theory
1. All organisms are composed of cells... 2. Cells are the basic…
Surface-area-to-volume-ratio
requires that cells be small... Small cells- advantageous for ex…
33 terms
Chapter 4 - Cell Structure & Function
cell
cell theory
plasma membrane
cytoplasm
in biology, the smallest unit that can perform all life proce…
the theory that states that all living things are made up of…
or cell membrane; the cell's outer membrane.
the region of the cell within the membrane that includes the…
cell
in biology, the smallest unit that can perform all life proce…
cell theory
the theory that states that all living things are made up of…
29 terms
Chapter 4 Cell Structure
Cell theory
To study the detailed architecture of…
To study the internal cell structure....
No organelles, no nucleus, singular, c…
All living things are composed of cells and that all cells co…
scanning electron microscope.
transmissions electron microscope
prokaryotic cell
Cell theory
All living things are composed of cells and that all cells co…
To study the detailed architecture of…
scanning electron microscope.
34 terms
Chapter 4: Cell Structure
Robert Hooke
Schleiden and Schwann
Cell Theory
Rate of diffusion (cell size) is affec…
Discovered cells in 1665
Proposed the Cell Theory
All organisms are composed of cells.... Cells are the smallest l…
Surface area available, temperature, concentration gradient,…
Robert Hooke
Discovered cells in 1665
Schleiden and Schwann
Proposed the Cell Theory
47 terms
Chapter 4: Cell Structure BL
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…
18 terms
Chapter 4 - Cell Structure
ribosomes
endoplasmic reticulum
rough er
smooth er
tiny spherical bodies composed of RNA and protein; floating f…
membranous system of tubules that extend throughout the cytop…
provides an area of storage and transport of the proteins mad…
site of steroid and lipid synthesis, lipid metabolism, and dr…
ribosomes
tiny spherical bodies composed of RNA and protein; floating f…
endoplasmic reticulum
membranous system of tubules that extend throughout the cytop…
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…
39 terms
Chapter 4 - Cell Structure & Function
cell
cell theory
plasma membrane
cytoplasm
in biology, the smallest unit that can perform all life proce…
the theory that states that all living things are made up of…
or cell membrane; the cell's outer membrane.
the region of the cell within the membrane that includes the…
cell
in biology, the smallest unit that can perform all life proce…
cell theory
the theory that states that all living things are made up of…
33 terms
Chapter 4: Cell Structure
Cell Theory
Diffusion is affected by:... ___________,…
Two types of cells
Four basic features of all cells:
- All organisms are composed of cells.... - Cells are the smalle…
Surface area,... temperature,... concentration gradient,... Distance
Prokaryotic... Eukariotic
Cytoplasm ... Plasma membrane ... Chromosomes... ribosomes
Cell Theory
- All organisms are composed of cells.... - Cells are the smalle…
Diffusion is affected by:... ___________,…
Surface area,... temperature,... concentration gradient,... Distance
18 terms
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…
21 terms
chapter 4 cell structure - slides
cytoplasm
cell membrane
cell wall
cell wall... cell membrane
cytoplasm
cell membrane
33 terms
Chapter 4 - Cell Structure & Function
cell
cell theory
plasma membrane
cytoplasm
in biology, the smallest unit that can perform all life proce…
the theory that states that all living things are made up of…
or cell membrane; the cell's outer membrane.
the region of the cell within the membrane that includes the…
cell
in biology, the smallest unit that can perform all life proce…
cell theory
the theory that states that all living things are made up of…
33 terms
Biology Chapter 4: Cell Structure
3 Main Principles of Cell Theory
Matthias Schleiden & Theodor Schwaan
Why are cells small in size?
Bright-field Microscope
1. All organisms are composed of one or more cells.... 2. Cells…
Fully recognized that plants and animals are composed of cells.
It's more efficient in rate of diffusion
compound light; most frequently used; called this because it…
3 Main Principles of Cell Theory
1. All organisms are composed of one or more cells.... 2. Cells…
Matthias Schleiden & Theodor Schwaan
Fully recognized that plants and animals are composed of cells.
70 terms
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…
54 terms
Chapter 4-Cell Structure and Function
Thylakoid
Cell
Cytosol
Chlorophyll
A flattened membrane sac inside the chloroplast, used to conv…
Basic unit of life
Fluid portion of cytoplasm
Green pigment in plants that absorbs light energy used to car…
Thylakoid
A flattened membrane sac inside the chloroplast, used to conv…
Cell
Basic unit of life
37 terms
Chapter 4: Cell Structure and Function
Robert Hooke
Schleiden & Schwann
Matthias Schleiden
Theodor Schwann
Robert Hooke was a scientist and philosopher who was the firs…
Helped to develop the Cell Theory.
Concluded that all plants are made of cells and the nucleus m…
Concluded that all animals are made of cells
Robert Hooke
Robert Hooke was a scientist and philosopher who was the firs…
Schleiden & Schwann
Helped to develop the Cell Theory.
48 terms
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…
33 terms
Biology Chapter 4: Cell Structure
3 Main Principles of Cell Theory
Matthias Schleiden & Theodor Schwaan
Why are cells small in size?
Bright-field Microscope
1. All organisms are composed of one or more cells.... 2. Cells…
Fully recognized that plants and animals are composed of cells.
It's more efficient in rate of diffusion
compound light; most frequently used; called this because it…
3 Main Principles of Cell Theory
1. All organisms are composed of one or more cells.... 2. Cells…
Matthias Schleiden & Theodor Schwaan
Fully recognized that plants and animals are composed of cells.
17 terms
Chapter 4: Cell structure and function
capsule
cell wall
chloroplast
cytoplasm
...
...
...
...
capsule
...
cell wall
...
23 terms
Chapter 4- Cell Structure
Robert Hooke
3 parts of cell theory
2 domains of prokaryotes
compartmentalizing
discovered and named cells
1.) all living things are made up of cells... 2.) all cells aris…
archaea and bateria
enclosed membranes contain important structure of the cell
Robert Hooke
discovered and named cells
3 parts of cell theory
1.) all living things are made up of cells... 2.) all cells aris…
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