Study sets matching "cell structure chapter 4"

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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
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
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…
Cell Structure: Chapter 4
Cell Theory
Surface-Area-To-Volume Ratio
Resolution
Bright-field Microscope
1. All organisms are composed of one or more cells... 2. The cel…
As cell size increases... -volume increases by factor of 1000... -s…
minimum distance two points can be apart and still be disting…
Light is transmitted through the specimen; staining improves…
Cell Theory
1. All organisms are composed of one or more cells... 2. The cel…
Surface-Area-To-Volume Ratio
As cell size increases... -volume increases by factor of 1000... -s…
Chapter 4 Cell Structure
cell
cytoskeleton
nucleus
chloroplast
Factory- the basic unit of life
Support Beams- A network of fibers that holds the cell togeth…
CEO- organelle which controls all cell functions; contains th…
Solar Power Plant- organelle in plants that uses sunlight to…
cell
Factory- the basic unit of life
cytoskeleton
Support Beams- A network of fibers that holds the cell togeth…
40 terms
Cell Structure: Chapter 4
Cell Theory
Surface-Area-To-Volume Ratio
Resolution
Bright-field Microscope
1. All organisms are composed of one or more cells... 2. The cel…
As cell size increases... -volume increases by factor of 1000... -s…
minimum distance two points can be apart and still be disting…
Light is transmitted through the specimen; staining improves…
Cell Theory
1. All organisms are composed of one or more cells... 2. The cel…
Surface-Area-To-Volume Ratio
As cell size increases... -volume increases by factor of 1000... -s…
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
149 terms
Chapter 4: Cell Structure
Cell
Organism
Tissue
Organ
The smallest unit of a living thing
Made up of one or more living cells
Several cells that interconnect with each other and have shar…
Several tissues make a...
Cell
The smallest unit of a living thing
Organism
Made up of one or more living cells
58 terms
Chapter 4 Cell Structure
late 16th century
robert hooke and cork cells
anton van leeuwenhoek
plasma membrane
when did microscopes appear
who discovered cells in 1665 and what did he use
(1674) microbiologist who improved lenses of microscopes
barrier between the cell and its environment ( aka envelope o…
late 16th century
when did microscopes appear
robert hooke and cork cells
who discovered cells in 1665 and what did he use
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…
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
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…
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…
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…
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)
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…
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…
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…
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.
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…
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…
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
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
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…
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);…
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…
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…
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…
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…
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…
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
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
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…
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
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
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…
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…
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
Chapter 4- Cell Structure
Plasma Membrane
Cytoplasm
Ribosomes
Rough ER
Regulate traffic in and our of cell
Inside material
Polypeptide (protein) synthesis
Synthesis of membrane lipids and proteins
Plasma Membrane
Regulate traffic in and our of cell
Cytoplasm
Inside material
38 terms
Chapter 4 - Cell Structure
Cell wall and/or membrane
Cytoplasm or cytosol
nucleus
Bacteria
Forms the outer layer
contains the organelles
Contains chromosomes
Cell walls made of peptidoglycan
Cell wall and/or membrane
Forms the outer layer
Cytoplasm or cytosol
contains the organelles
27 terms
Chapter 4- Cell Structure
Prokaryote
Eukaryote
Plasma Membrane
Cytoplasm
cells with no membrane bound organelles, single-celled organi…
cells that contain membrane bound organelles
phospholipid bilayer, surrounds inside of membrane, water can…
entire region between cell membrane and nucleus, includes cyt…
Prokaryote
cells with no membrane bound organelles, single-celled organi…
Eukaryote
cells that contain membrane bound organelles
24 terms
Chapter 4: Cell Structure
Cell theory
Cytoplasm
Plasma membrane
Nucleus
Theory that all organisms consist of one or more cells, which…
Semifluid substance enclosed by a cell's plasma membrane
A cell's outermost membrane
Of a eukaryotic cell, organelle with a double membrane that h…
Cell theory
Theory that all organisms consist of one or more cells, which…
Cytoplasm
Semifluid substance enclosed by a cell's plasma membrane
Chapter 4 Cell Structure
all living things made of 1 or more ce…
maximize ratio of surface area to volu…
cell gets smaller
cell membrane, DNA, cytoplasm, cytoske…
3 parts of cell theory?
why is it more advantageous for cells to be small?
what happens to surface area of cell as volume gets larger?
5 cell features?
all living things made of 1 or more ce…
3 parts of cell theory?
maximize ratio of surface area to volu…
why is it more advantageous for cells to be small?
Chapter 4: Cell Structure
Electron Microscope
Light Microscope
Unified Cell Theory
Nucleoid
An instrument that magnifies an object using a beam of electr…
An instrument that magnifies an object using a beam visible l…
Biological concept that states that all organisms are compose…
Central part of a prokaryotic cell in which the chromosome is…
Electron Microscope
An instrument that magnifies an object using a beam of electr…
Light Microscope
An instrument that magnifies an object using a beam visible l…
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…
Chapter 4 Cell Structure
Chromatin
Nuclear envelope
Nucleolus
Central vacuole
the collective term for all of the DNA and a cell nucleus.
a double membrane that constitutes the outer boundary the nuc…
In a cell nucleus, a dense, irregularity shaped region where…
a large fluid-filled organelle in many plant cell
Chromatin
the collective term for all of the DNA and a cell nucleus.
Nuclear envelope
a double membrane that constitutes the outer boundary the nuc…
74 terms
Chapter 4: Cell Structure
Escherichia coli
Antoni van Leeuwenhoek
Robert Hooke
cells
(E-coli) ... - one of the most common intestinal bacteria of war…
constructed an early microscopic that revealed tiny organisms…
observed tiny "boxes" on cork and named them cells
- carry out metabolism and homeostasis, reproduce on their ow…
Escherichia coli
(E-coli) ... - one of the most common intestinal bacteria of war…
Antoni van Leeuwenhoek
constructed an early microscopic that revealed tiny organisms…
20 terms
Chapter 4: Cell Structure
Cytoskeleton
Cytosol
Endoplasmic Reticulum (ER)
Eukaryotic Cell
network of protein fibers that collectively maintain the shap…
gel-like material of the cytoplasm in which cell structures a…
series of interconnected membraneous structures within eukary…
cell that has a membrane-bound nucleus and several other memb…
Cytoskeleton
network of protein fibers that collectively maintain the shap…
Cytosol
gel-like material of the cytoplasm in which cell structures a…
63 terms
Chapter 4 Cell Structure
Cells
Schleiden Scwann
Cell theory
Cell size
Discovered in 1665 Robert Hooke cork cells
Cell theory
All living things are made of cells ... Cells are the smallest l…
Small due to diffusion of substances in and out of cells ... The…
Cells
Discovered in 1665 Robert Hooke cork cells
Schleiden Scwann
Cell theory
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