Study sets matching "ib biology cells"

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Study sets matching "ib biology cells"

7 terms
IB Biology Unit 1.5: The origin of cells
Outline the cell theory
Describe the evidence from experiments…
Outline the evidence against spontaneo…
Outline Pasteur's experiments to dispr…
The cell theory states that:... 1. All living things are compos…
when cells are killed by heating and the mixture kept in seal…
Spontaneous generation is a theory that says cells, or organi…
Pasteur showed that heating of a flask containing nutrient br…
Outline the cell theory
The cell theory states that:... 1. All living things are compos…
Describe the evidence from experiments…
when cells are killed by heating and the mixture kept in seal…
IB Biology Topic 1.5 The Origin of Cells
Pre-existing cells
Robert Remak
Spontaneous generation
Louis Pasteur
Where all cells come from
First observed cells dividing
The idea that cells/life can arise from nothing
His experiment finally disproved spontaneous generation
Pre-existing cells
Where all cells come from
Robert Remak
First observed cells dividing
37 terms
IB Biology Cells
Centrioles
Cytoplasm
Vacuoles
Ribosomes
Animal... -Each is a ring of groups of fused micro-tubules.... -Hel…
-Colloidal suspension, provides stability.... -Holds organelles…
Plant and Animal ... -Single membrane... -Transporters for selected…
Plant and Animal Bacteria... -No membrane... -Protein Synthesis... -Sm…
Centrioles
Animal... -Each is a ring of groups of fused micro-tubules.... -Hel…
Cytoplasm
-Colloidal suspension, provides stability.... -Holds organelles…
58 terms
IB Biology - Topic 2: Cells
Cell Theory
Functions of Life
Resolution
Mm to um
1. All organisms are composed of cells... 2. Cells are the small…
1. Metabolism... 2. Growth... 3. Reproduction... 4. Response... 5. Homeos…
Clarity of a viewed object
1 millimeter (mm) = 1000 micrometers (um)
Cell Theory
1. All organisms are composed of cells... 2. Cells are the small…
Functions of Life
1. Metabolism... 2. Growth... 3. Reproduction... 4. Response... 5. Homeos…
34 terms
BISV - IB Biology - Topic 2 - Cells
2.1.1 Outline the cell theory
2.1.2 Discuss the evidence for the cel…
2.1.2 What are the exceptions to cell…
2.1.3 State that unicellular organisms…
The cell theory states that:... 1. All living things are compos…
Microscopes:... ◾Microscopes have increased man's ability to vis…
skeletal muscle fibres are larger / are not typical cells;... fu…
Unicellular organisms (such as amoeba, paramecium, euglena an…
2.1.1 Outline the cell theory
The cell theory states that:... 1. All living things are compos…
2.1.2 Discuss the evidence for the cel…
Microscopes:... ◾Microscopes have increased man's ability to vis…
166 terms
IB Biology Topic 1 The Cell
Robert Hooke
Anton von Leeuwenhoek
Schleiden
Schwann
What scientist is responsible for naming the cell when he was…
What scientist, while observing pond water, saw what he calle…
What scientist said that all plants are made of cells?
What scientist said that all animals are made of cells?
Robert Hooke
What scientist is responsible for naming the cell when he was…
Anton von Leeuwenhoek
What scientist, while observing pond water, saw what he calle…
IB Biology - Cell Biology
Cell theory
MR MRS GRHEN
Unicellular organisms
Multicellular organisms
- All living organisms are composed of cells ... - Cells are the…
- Movement... - Respiration... - Metabolism... - Reproduction... - Secret…
- Consists of only one cell... - They carry out all functions of…
- Consists of many cells ... e.x. Plants & Animals
Cell theory
- All living organisms are composed of cells ... - Cells are the…
MR MRS GRHEN
- Movement... - Respiration... - Metabolism... - Reproduction... - Secret…
50 terms
IB Cell Biology
Cell Theory
Unicellular
Multicellular
Prokaryotic
The theory that cells form the fundamental structural and fun…
A single celled organism
Made up of more than one cell.
A small single cell lacking a nucleus or any other membrane-b…
Cell Theory
The theory that cells form the fundamental structural and fun…
Unicellular
A single celled organism
28 terms
IB Biology - Cell Theory
Cell Theory
Unicellular organism
Metabolism
Homeostasis
Idea that all living things are composed of cells, cells are…
Organism that consists of one cell that carries all functions…
Chemical reactions inside a cell, such as cell respiration
The ability to keep conditions inside the organism within tol…
Cell Theory
Idea that all living things are composed of cells, cells are…
Unicellular organism
Organism that consists of one cell that carries all functions…
28 terms
IB Biology - Cell Theory
Cell Theory
Unicellular organism
Metabolism
Homeostasis
Idea that all living things are composed of cells, cells are…
Organism that consists of one cell that carries all functions…
Chemical reactions inside a cell, such as cell respiration
The ability to keep conditions inside the organism within tol…
Cell Theory
Idea that all living things are composed of cells, cells are…
Unicellular organism
Organism that consists of one cell that carries all functions…
15 terms
IB Biology Topic 1.5 The origin of cells
Endosymbiotic theory
Genetic code
Louis Pasteur
Spontaneous generation
a theory that some eukaryotic organelles, such as mitochondri…
a nearly universal sequence of nucleotides in DNA that determ…
French scientist that proved, among other things, that the em…
old theory that believed in the formation of living organisms…
Endosymbiotic theory
a theory that some eukaryotic organelles, such as mitochondri…
Genetic code
a nearly universal sequence of nucleotides in DNA that determ…
78 terms
IB Cell Biology-
phospholipid bilayer
cell membrane
fluid mosaic model
semipermeable membrane
plasma membrane layers composed of phospholipid molecules arr…
double-layer of phospholipids that forms a boundary between a…
model that describes the arrangement and movement of the mole…
A membrane that allows some molecules to pass through but doe…
phospholipid bilayer
plasma membrane layers composed of phospholipid molecules arr…
cell membrane
double-layer of phospholipids that forms a boundary between a…
40 terms
IB biology: cell bio
7 functions of life
cell theory
Hooke
vanLeewenhoek
metabolism... growth... reproduction... response... homeostasis... nutrition…
cells are the smallest unit of life ... all living things are co…
looked at cork under microscope, he named and discovered cells
father of microscopy, first to observe and describe single ce…
7 functions of life
metabolism... growth... reproduction... response... homeostasis... nutrition…
cell theory
cells are the smallest unit of life ... all living things are co…
IB Biology: Cells
Light Microscope
Electron Microscope
Scanning Electron Microscope
Transmission Electron Microscope
in this microscope, visible light is passed through the speci…
instead of using light, this microscope focuses a beam of ele…
the electron microscope used for the study of the surface of…
the electron microscope used mainly for the study of the inte…
Light Microscope
in this microscope, visible light is passed through the speci…
Electron Microscope
instead of using light, this microscope focuses a beam of ele…
IB Cell Biology
Cell Theory
Exceptions to the Cell Theory
Functions of Life in Unicellular Organ…
Surface Area to Volume Ratio
1. Cells are the smallest possible units of life.... 2. Living o…
Giant Algae: Can grow up to 100 mm but only contains one nucl…
NGREMHR... NUTRITION: Feeds on smaller organisms by ingesting a…
As the cell grows larger, its surface area to volume ratio ge…
Cell Theory
1. Cells are the smallest possible units of life.... 2. Living o…
Exceptions to the Cell Theory
Giant Algae: Can grow up to 100 mm but only contains one nucl…
8 terms
IB Biology - Cells
Cell Theory
2 types of cells
primitive nucleus
advanced nucleus
Cels are fundamental units of life... Cells come from pre-existi…
Pro-karyotic cells... Eu-karyotic cells
Pro-karyotic cells
Eu-karyotic cells
Cell Theory
Cels are fundamental units of life... Cells come from pre-existi…
2 types of cells
Pro-karyotic cells... Eu-karyotic cells
IB Biology 1: Cell Biology
Outline the cell theory.
Explain the importance of the surface…
Explain that cells in multicellular or…
Question the cell theory using striate…
-All living organisms are composed of cells. ... -Cells are the…
-When the cell increases in size so does its chemical activit…
-Every cell in a multicellular organisms contains all the gen…
Striated muscle: challenges the idea that a cell has one nucl…
Outline the cell theory.
-All living organisms are composed of cells. ... -Cells are the…
Explain the importance of the surface…
-When the cell increases in size so does its chemical activit…
15 terms
IB Biology Cell Organelles
Cell Wall
Flagellum
Nucleus
Mitochondria
Prokaryotes and Eukaryotic Plant cells. Protection.
All cells. Pro- Helically shaped and rotates in a socket in t…
Eukaryotes. DNA replication, RNA Trascription (RNA Processing).
Eukaryotes. Respiration pathways. Makes ATP with Carbs and Ox…
Cell Wall
Prokaryotes and Eukaryotic Plant cells. Protection.
Flagellum
All cells. Pro- Helically shaped and rotates in a socket in t…
IB Biology - Cells
Cell Theory
Evidence for Cell Theory
Schleiden (scientist)
Schwann (scientist)
1. All living things are made of cells... 2. Cells are the struc…
Sterilized chicken broth experiment (sealed/unsealed)... life di…
"plants are made of cells"
"all living things (animals too) are made of cells"
Cell Theory
1. All living things are made of cells... 2. Cells are the struc…
Evidence for Cell Theory
Sterilized chicken broth experiment (sealed/unsealed)... life di…
IB Biology - Cell Theory
3 parts of cell theory
6 functions of life carried out by all…
Approximate molecule size
Approximate membrane thickness
1. Living organisms are composed of cells... 2. Cells are the sm…
1. Metabolism... 2. Response... 3. Homeostasis... 4. Growth... 5. Reprodu…
1 nm
10 nm
3 parts of cell theory
1. Living organisms are composed of cells... 2. Cells are the sm…
6 functions of life carried out by all…
1. Metabolism... 2. Response... 3. Homeostasis... 4. Growth... 5. Reprodu…
6 terms
IB Biology (Cells)
Cell Theory
Organismal Theory
Non-typical Cell Examples
Calculating Magnification
3 key aspects: Cells come from pre-existing cells, living cel…
Unicellular organisms carry out all the functions of life
Mature (mammalian) red blood cells; fungal hyphae, (Skeletal)…
...
Cell Theory
3 key aspects: Cells come from pre-existing cells, living cel…
Organismal Theory
Unicellular organisms carry out all the functions of life
15 terms
IB Biology Unit 1.1: Introduction to Cells
Outline the cell theory
Discuss the evidence for the cell theory
What are the exceptions to cell theory?
State that unicellular organisms carry…
The cell theory states that:... 1. All living things are compos…
Microscopes have increased man's ability to visualise tiny ob…
striated skeletal muscle fibres are not typical cells; they a…
Unicellular organisms (such as amoeba, paramecium, euglena an…
Outline the cell theory
The cell theory states that:... 1. All living things are compos…
Discuss the evidence for the cell theory
Microscopes have increased man's ability to visualise tiny ob…
43 terms
IB Biology Topic 1: Cell Biology
Cell theory
Differentiation
Emergent properties
Multicellular
The theory that cells form the fundamental structural and fun…
The expression of a particular gene(s) and not others in orde…
The idea that the sum of an organism is more than the parts i…
An organism made out of more than one cell.
Cell theory
The theory that cells form the fundamental structural and fun…
Differentiation
The expression of a particular gene(s) and not others in orde…
IB Biology HL: Cells
Plasma/cell membrane
Golgi apparatus
Nuclear pore
Nucleolus
Semi-permeable and regulates which molecules are allowed to e…
Stores, modifies, and packages proteins
Allows communication between the nucleus and the rest of the…
A dense, solid structure involved in ribosome synthesis
Plasma/cell membrane
Semi-permeable and regulates which molecules are allowed to e…
Golgi apparatus
Stores, modifies, and packages proteins
IB Biology- Cells
Principles of Cell Theory
3 Atypical examples that question cell…
How do striated muscle fibres not conf…
How does giant algae not conform to ce…
1. All living things are composed of cells (or cell products)…
striated muscle fibers, giant algae, aseptate hyphae
-Muscle cells fuse to form fibres that may be very long ... -Con…
-Certain species of unicellular algae may grow to very large…
Principles of Cell Theory
1. All living things are composed of cells (or cell products)…
3 Atypical examples that question cell…
striated muscle fibers, giant algae, aseptate hyphae
52 terms
IB Biology: Cells
I. Living organisms are composed of ce…
2. A red blood cell is 8 μm in diamete…
3. A cell has cytoplasm, a cell wall,…
4. What do diffusion and osmosis have…
C. I and III only
B. 0.8 mm
D. A bacterium
C. They are passive transport mechanisms.
I. Living organisms are composed of ce…
C. I and III only
2. A red blood cell is 8 μm in diamete…
B. 0.8 mm
62 terms
BIOLOGY IB CELLS
Cell
Cell Membrane
Cell Theory
Cell wall
A membrane bound structure that is the basic unit of life
The lipid bilayer that forms the outer boundary of the cell
This says that all living things are made of cells, that cell…
A rigid structure that surrounds the cells of plants and most…
Cell
A membrane bound structure that is the basic unit of life
Cell Membrane
The lipid bilayer that forms the outer boundary of the cell
IB Biology: Cell Division
Cell theory
Pasteur Experiment
Endosymbiotic Theory
Prokaryotic
The theory that cells form the fundamental structural and fun…
Spontaneous generations of cells and organisms does not now o…
a smaller organism that lives within another organism, the th…
Simplest cell structure without compartments or a nucleus.
Cell theory
The theory that cells form the fundamental structural and fun…
Pasteur Experiment
Spontaneous generations of cells and organisms does not now o…
12 terms
Stem Cells - IB Biology
Stem Cells
Cell Division (in Prokaryotes)
Cell Differentiation
Types of Cell Differentiation
are a multicellular organism that is specialized in different…
Use Binary Fission.... •Produce new cells by the division of pre…
The process of being specialized in different functions and t…
Totipotent cells: can develop all cell types.... Pluripotent ce…
Stem Cells
are a multicellular organism that is specialized in different…
Cell Division (in Prokaryotes)
Use Binary Fission.... •Produce new cells by the division of pre…
IB Biology Topic 1: Cell Biology
Cell theory
Differentiation
Emergent properties
Multicellular
The theory that cells form the fundamental structural and fun…
The expression of a particular gene(s) and the non expression…
The idea that the sum of an organism is more than the parts i…
An organism made out of more than one cell.
Cell theory
The theory that cells form the fundamental structural and fun…
Differentiation
The expression of a particular gene(s) and the non expression…
32 terms
IB Biology Topic 1.2 The Ultrastructure of cells
Cell Wall
Centriole
Chloroplast
Cytoplasm
Found outside the cell membrane in bacteria, plants, and fung…
Cell organelles that aid in cell division in animal cells only.
A double membrane bound organelle containing chlorophyll, the…
A jellylike fluid inside the cell in which the organelles are…
Cell Wall
Found outside the cell membrane in bacteria, plants, and fung…
Centriole
Cell organelles that aid in cell division in animal cells only.
17 terms
Biology IB - Cell Biology
What are Eukaryotes?
How mitochondria and Chloroplasts got…
What evidence is there for endosymbioi…
What structure does a Eukaryotic cell?
Organisms that consist of one or more eukaryotic cells. Eukar…
More complex than prokaryotes. Eukaryotic cells evolved from…
Mitochondria and chloroplast have own DNA... Have their own smal…
A compartmentalized cell structure. Compartmentalization occu…
What are Eukaryotes?
Organisms that consist of one or more eukaryotic cells. Eukar…
How mitochondria and Chloroplasts got…
More complex than prokaryotes. Eukaryotic cells evolved from…
26 terms
IB Biology: Cell Biology
What are the three parts of the cell t…
Emergent property
What functions of life do unicellular…
Significance between surface area to v…
1) They are the smallest unit alive... 2) cells come from pre-ex…
Smaller things coming together to make a larger thing
1) uses energy... 2) produces waste... 3) reproduction... 4) homeostas…
The larger the ratio the easier to carry out functions of the…
What are the three parts of the cell t…
1) They are the smallest unit alive... 2) cells come from pre-ex…
Emergent property
Smaller things coming together to make a larger thing
54 terms
IB Biology Topic 1: Cell Biology
Cell theory
Differentiation
Emergent properties
Multicellular
The theory that cells form the fundamental structural and fun…
The expression of a particular gene(s) and not others in orde…
The idea that the sum of an organism is more than the parts i…
An organism made out of more than one cell.
Cell theory
The theory that cells form the fundamental structural and fun…
Differentiation
The expression of a particular gene(s) and not others in orde…
43 terms
IB Biology SL- Cells
Cell Theory
Cell Theory Evidence
Nucleus
Chloroplast
-Living organisms are composed of cells... -cells are the smalle…
Microscopic evidence
control center of cell (Protein synthesis begins here)
found only in plants and performs photosynthesis
Cell Theory
-Living organisms are composed of cells... -cells are the smalle…
Cell Theory Evidence
Microscopic evidence
IB Biology Topic 1.1 Introduction to Cells
Outline the cell theory.
Discuss the evidence for the cell theo…
What are the exceptions to cell theory?
State that unicellular organisms carry…
The cell theory states that:... 1. All living things are compos…
Microscopes have increased man's ability to visualise tiny ob…
striated skeletal muscle fibres are not typical cells; they a…
Unicellular organisms (such as amoeba, paramecium, euglena an…
Outline the cell theory.
The cell theory states that:... 1. All living things are compos…
Discuss the evidence for the cell theo…
Microscopes have increased man's ability to visualise tiny ob…
IB Biology Cell Scientist
Robert Hooke
Anthonie van Leeuwenhoek
Schleiden
Schwann
named "cells" from cork
First images of cells in living organisms
Plants are made of cells
Animals are made of cells
Robert Hooke
named "cells" from cork
Anthonie van Leeuwenhoek
First images of cells in living organisms
13 terms
Prokaryotic Cells - IB Biology
Average size of a prokaryote
Ubiquitous
pili
Capsule
1-2 micrometres
everywhere
short, hair-like structures on the outer side of the cell wal…
An extra protective layer outside the cell wall. Protects aga…
Average size of a prokaryote
1-2 micrometres
Ubiquitous
everywhere
80 terms
IB Biology Vocab - Cells
Cell theory
Robert Hooke
Antonie van Leeuwenhoek
Matthias Jakob Schleiden
1 - All organisms are composed of one or more cells; 2 - cell…
...
...
...
Cell theory
1 - All organisms are composed of one or more cells; 2 - cell…
Robert Hooke
...
IB Cell Biology Test
Cell Theory
Functions of Life
Development of Cell Theory (Scientists)
How Louis Pasteur disproved spontaneou…
-All living organisms are composed of cells... -Cells are the sm…
-Growth: irreversible increase in size... -Reproduction: produci…
*People who contributed to the discovery of cells... Robert Hook…
-He put chicken broth in a curved neck flask and boiled it to…
Cell Theory
-All living organisms are composed of cells... -Cells are the sm…
Functions of Life
-Growth: irreversible increase in size... -Reproduction: produci…
102 terms
IB Biology Cells Unit
Three principles of Cell Theory
Multicellular organisms
Unicellular organisms
Cells are the smallest unit of life...
1. All living things are made of one or more cells... 2. Cells a…
Have specialized cells to cary out various functions
Are made of one cell
Organelles carry out the various metabolic functions in the c…
Three principles of Cell Theory
1. All living things are made of one or more cells... 2. Cells a…
Multicellular organisms
Have specialized cells to cary out various functions
IB Biology: Cell Structures
Pili
Chromosome (Nucleoid Region)
Capsule or slime layers
Cell Wall
Short fibers projecting from the cell wall found on some bact…
The glob of DNA in all prokaryotic cells-ends come together f…
A special mucus like protective coating found on some disease…
Gives shape, support and protection to the cell membrane and…
Pili
Short fibers projecting from the cell wall found on some bact…
Chromosome (Nucleoid Region)
The glob of DNA in all prokaryotic cells-ends come together f…
IB Biology Cell Cycle
Steps of Cell Division
Cell Cycle
Chromatin
Sister Chromatids
1) Reproduction: single celled organisms. ... 2) Cell growth... 3)…
Cell has a "life cycle" of specific phases that it goes throu…
A string of tightly packed histones.
Duplicated chromosomes
Steps of Cell Division
1) Reproduction: single celled organisms. ... 2) Cell growth... 3)…
Cell Cycle
Cell has a "life cycle" of specific phases that it goes throu…
18 terms
IB Biology: Eukaryotic Cells
Advantages of being compartmentalizes
Nucleus
Chromatin
Mitochondria
EFFICIENCY OF METABOLISM: enzymes and substrates can be local…
Spherical with a double membrane, pores are present to allow…
Uncoiled chromosomes - they stain a dark color and are concen…
Double membrane, smooth inner membrane and folded inner membr…
Advantages of being compartmentalizes
EFFICIENCY OF METABOLISM: enzymes and substrates can be local…
Nucleus
Spherical with a double membrane, pores are present to allow…
25 terms
IB Biology- Cell Membrane
hydrophilic
hydrophobic
amphipathic
cell membrane function
attracted to water (polar head)
no attraction to water (non polar tail)
having both hydrophilic and hydrophobic regions
form barrier through which ions and hydrophilic molecules can…
hydrophilic
attracted to water (polar head)
hydrophobic
no attraction to water (non polar tail)
13 terms
IB Biology Cell Structure
Nucleolus
Nucleus
Ribosomes
Vesicle
Structure: Darker spot within nucleus... Function: Ribosomal RNA…
Structure: Large spot within cell... Function: Genetic material…
Structure: Small spheres... Function: Building proteins
Structure: Membrane bound container... Function: Move material a…
Nucleolus
Structure: Darker spot within nucleus... Function: Ribosomal RNA…
Nucleus
Structure: Large spot within cell... Function: Genetic material…
IB Cell Biology Test
Cell Theory
Functions of Life
Development of Cell Theory (Scientists)
How Louis Pasteur disproved spontaneou…
-All living organisms are composed of cells... -Cells are the sm…
-Growth: irreversible increase in size... -Reproduction: produci…
*People who contributed to the discovery of cells... Robert Hook…
-He put chicken broth in a curved neck flask and boiled it to…
Cell Theory
-All living organisms are composed of cells... -Cells are the sm…
Functions of Life
-Growth: irreversible increase in size... -Reproduction: produci…
IB Biology - Cells
outline cell theory
how do organisms that are one cell car…
multi cellular organism properties____…
what does differentiation involve?
- cells are the smallest unit of life... - all living organisms…
- metabolism: respires, photosynthesizes, synthesizes protein…
emerge from the interaction of their cellular components
expression of some genes and not others in a cells genome
outline cell theory
- cells are the smallest unit of life... - all living organisms…
how do organisms that are one cell car…
- metabolism: respires, photosynthesizes, synthesizes protein…
50 terms
IB Biology - Cell Theory
Cell Theory
Unicellular organism
Metabolism
Homeostasis
Idea that all living things are composed of cells, cells are…
Organism that consists of one cell that carries all functions…
Chemical reactions inside a cell, such as cell respiration
The ability to keep conditions inside the organism within tol…
Cell Theory
Idea that all living things are composed of cells, cells are…
Unicellular organism
Organism that consists of one cell that carries all functions…
IB Biology 01: Cell Biology
Cell Theory (3)
Characteristics of Prokaryotes
Characteristics of Eukaryotes
Organelles in Animal Cells Specifcally
1. All living organisms are composed of cells... 2. Cells are th…
- no nucleus... - no membrane bound organelles... - Cell Division w…
- Contains a 'true' nucleus (can be seen)... - Membrane bound or…
lyosome... (same function takes place in vacuole in plant cells)
Cell Theory (3)
1. All living organisms are composed of cells... 2. Cells are th…
Characteristics of Prokaryotes
- no nucleus... - no membrane bound organelles... - Cell Division w…
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