Study sets matching "ib biology cells"

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Study sets matching "ib biology cells"

29 terms
IB Cell Biology 2015
What does cell theory state?
What are the common features of cells?
What are the exceptions to cell theory?
What's the calculation for magnificati…
Cells are the fundamental building blocks of all living organ…
>has a membrane that separates the cells contents from everyt…
>Viruses they can reproduce but have no cells... >*Mitochondri…
mag=(size of image / actual size of specimen)
What does cell theory state?
Cells are the fundamental building blocks of all living organ…
What are the common features of cells?
>has a membrane that separates the cells contents from everyt…
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…
Cell Biology (IB)
Outline cell theory.
What are some examples of exceptions t…
What are the functions of life like fo…
Outline the functions of life for a pa…
-Cells are the smallest possible unit of life. ... -Living organ…
Skeletal muscles: ... -composed of muscle fibres and these fibr…
They carry out all functions of life in that cell.
Nutrition: feeds on smaller organisms and they digest them in…
Outline cell theory.
-Cells are the smallest possible unit of life. ... -Living organ…
What are some examples of exceptions t…
Skeletal muscles: ... -composed of muscle fibres and these fibr…
78 terms
IB Biology Cells
What are cells?
How many cells are in the smallest org…
How many cells are in larger organisms?
What are the smallest units of life th…
Cells are the fundamental building blocks of all living organ…
One cell. They are unicellular.
Many. They are multicellular.
cells
What are cells?
Cells are the fundamental building blocks of all living organ…
How many cells are in the smallest org…
One cell. They are unicellular.
76 terms
IB Biology: Cell Biology
Cell Theory
Biogenesis
Exepctions for the cell theory
Surface area to volume ratio
- All living things are made of cells... - They procide structur…
The study of the origin of life
Skeletal Muscle: has several nuclei... Giant algae: can grow up…
The bigger the cell, the smaller the ______________
Cell Theory
- All living things are made of cells... - They procide structur…
Biogenesis
The study of the origin of life
25 terms
IB Biology, Cells
The cell theory states that...
What is differentiation?
Why are stem cells used in medicine?
How are stem cells used to help fight…
- cells are the smallest units of life... - living organisms are…
This is when cells specialize. Most genes will be switched of…
Stem cells retain the capacity to divide and to have the abil…
Leukemia affects the white blood cells. Leukocytes are made i…
The cell theory states that...
- cells are the smallest units of life... - living organisms are…
What is differentiation?
This is when cells specialize. Most genes will be switched of…
15 terms
IB Cell Biology Parts of Cells!
Cell membrane
Mitochondria
Cytoskeleton
Vacuole
forms the boundary of the cell, acts as a selective barrier a…
THE POWERHOUSE OF THE CELL ;) and site of cellular respiratio…
supports the shape of the cell, anchors organelles and serves…
membrane bound sacs, larger than vesicles, stores water and d…
Cell membrane
forms the boundary of the cell, acts as a selective barrier a…
Mitochondria
THE POWERHOUSE OF THE CELL ;) and site of cellular respiratio…
IB Biology HL - Cell Cycle
Interphase
G1 Phase
S Phase
G2 Phase
G1, S, G2, longest and most active phase of cell cycle, cell…
rapid protein synthesis causes cell to grow in size, proteins…
DNA doubles, chromosomes turn into sister chromatids, sister…
protein synthesis produces useful proteins such as microtubul…
Interphase
G1, S, G2, longest and most active phase of cell cycle, cell…
G1 Phase
rapid protein synthesis causes cell to grow in size, proteins…
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 terms: Cell Biology
Cell Theory
The principles of the cell theory
Osmosis
Binary fusion
The idea that cells are fundamental units of life.
1. All living things are composed of cells and cell products.…
Process by which molecules of a solvent tend to pass through…
When a cell reaches a certain size and then splits into two (…
Cell Theory
The idea that cells are fundamental units of life.
The principles of the cell theory
1. All living things are composed of cells and cell products.…
92 terms
IB SL Biology: Cell Biology
What percent of all values fall within…
What percent of all values fall within…
The standard deviation is used to summ…
A graphical representation of the vari…
68
95
Mean
Error bars
What percent of all values fall within…
68
What percent of all values fall within…
95
IB Biology 12 - Intro to Cells
Common features of all cells
7 characteristics of life
SA to V ration
Atypical examples of cells
Surrounded by membrane,... Perform chemical reactions catalyzed…
Metabolism... Reproduction... Homeostasis... Growth... Response... Excretion…
SA increases by sqr... V increases cubically... Ratio must be high…
Striated muscle tissue: large, has many cells... Giant algae: Co…
Common features of all cells
Surrounded by membrane,... Perform chemical reactions catalyzed…
7 characteristics of life
Metabolism... Reproduction... Homeostasis... Growth... Response... Excretion…
56 terms
IB Biology 11 - Cell Test
Phospholipids
Peripheral Protein
Cholesterol
Integral Proteins
Make up most of membrane. Polar head (attracts water) (bc it…
Provides point of attachment for cytoskeleton fibers (train t…
Prevents excess fluidity of membrane, so it thickens it up. P…
Usually protein channels, permeates phospholipid bilateral. T…
Phospholipids
Make up most of membrane. Polar head (attracts water) (bc it…
Peripheral Protein
Provides point of attachment for cytoskeleton fibers (train t…
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…
-Amobae: can't be made of cells with just one cell; single ce…
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…
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…
11 terms
IB Biology SL Prokaryotic Cells
Cell Wall
Cell Membrane
Cytoplasm
Nucleoid
Outer layer that maintains shape and protects the cell from d…
Semi-permeable barrier that controls the entry and exit of su…
Fluid component which contains the enzymes needed for all met…
Region of the cytoplasm which contains the naked DNA (genetic…
Cell Wall
Outer layer that maintains shape and protects the cell from d…
Cell Membrane
Semi-permeable barrier that controls the entry and exit of su…
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
12 terms
IB Biology 1.2 Eukaryotic Cell Organelles
Nucleus
Ribosome
Rough Endoplasmic Reticulum (rER)
Golgi Apparatus
- Membrane-bound organelle... - Controls cell activities such as…
Involved in protein synthesis (translation)
- Membrane-bound organelle... - Site of protein synthesis... - Invo…
modifying, sorting and packaging macromolecules for cell secr…
Nucleus
- Membrane-bound organelle... - Controls cell activities such as…
Ribosome
Involved in protein synthesis (translation)
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…
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…
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: 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…
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…
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…
10 terms
IB Biology 1.2 Prokaryotic Cell Organelles
Cell wall
Plasma membrane
Pili
Flagella
protects and maintains the shape of the cell / provides rigid…
controls the movement of materials into and out of the cell
attachment / adhesion and used to transfer DNA from one cell…
allow motility / locomotion
Cell wall
protects and maintains the shape of the cell / provides rigid…
Plasma membrane
controls the movement of materials into and out of the cell
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…
82 terms
IB Biology 2016 - Topic 1 - 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…
26 terms
IB Biology - Cell Division
mitosis
cytokinesis
Interphase
G1 phase
nuclear division
cell division; cytoplasm divides
stage in which cell performs task for which it is preprogrammed
follows mitosis; period of cell growth
mitosis
nuclear division
cytokinesis
cell division; cytoplasm divides
IB Biology - Topic 1 - Cells 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…
Cells IB Biology II
Unicellular organism
Multicellular organism
Cells
Organelles
An organism consisting of one cell
An organism consisting of more that one cell
The smallest structural and functional unit of an organism
Organized or specialized structures in a cell
Unicellular organism
An organism consisting of one cell
Multicellular organism
An organism consisting of more that one cell
IB Biology Cells
chemical reactions
addition of more cells
reacts to environments
maintains constant internal environments
#1 Characteristic of Life: Metabolism
#2 Characteristic of Life: Growth
#3 Characteristic of Life: Response
#4 Characteristic of Life: Homeostasis
chemical reactions
#1 Characteristic of Life: Metabolism
addition of more cells
#2 Characteristic of Life: Growth
18 terms
IB Biology cell organelles
nucleus
nucleolus
ribosomes
rough endoplasmic reticulum
Controls cells; contains chromosomes used for making proteins…
In nucleus; produces rRNA (ribosomal RNA) for ribosomes
Involved in protein synthesis; makes polypeptides (proteins)…
Tubular channels connected with nuclear envelope, serving as…
nucleus
Controls cells; contains chromosomes used for making proteins…
nucleolus
In nucleus; produces rRNA (ribosomal RNA) for ribosomes
17 terms
IB Biology Cell Functions
Nuclear Pore
Mitochonria
Centrioles
Nucleolus
Channels in the double membrane that regulates passage of cer…
Site of cellular respiration --conserves energy to be used fo…
Aids in cell division and is the organizing center for microt…
Site of synthesis and assembly of ribosomes
Nuclear Pore
Channels in the double membrane that regulates passage of cer…
Mitochonria
Site of cellular respiration --conserves energy to be used fo…
60 terms
IB Biology Topic 2 Cells
Outline the cell theory
Discuss the evidence for the cell theory
Unicellular organisms carry out all fu…
Compare the relative sizes of molecule…
• All living organisms are composed of cells... • Cells are the…
• Invention of microscope allowed man to see that all living…
• Metabolism: the sum of the chemical reactions that keeps th…
1nm molecules... 10nm thickness of cell membrane... 100nm virus... 1µm…
Outline the cell theory
• All living organisms are composed of cells... • Cells are the…
Discuss the evidence for the cell theory
• Invention of microscope allowed man to see that all living…
114 terms
Topic 1- Cell Biology (IB Bio 2014)
Cell theory
Centi-
Coarse focus
Differentiation
theory that states that all organisms are composed of cells,…
metric prefix 1/100th or 1 10-2.
dial used to initially focus a light microscope on a specimen.
the alteration of a cell's morphology and physiology through…
Cell theory
theory that states that all organisms are composed of cells,…
Centi-
metric prefix 1/100th or 1 10-2.
50 terms
IB Bio - Cell Biology & Genetics
The Cell Theory
Prokaryotic Cells
Eukaryotic Cells
Endosymbiotic Theory
All living things are made of one or more cells... The cell is t…
Cells without a nucleus... Their DNA is a single,... circular chrom…
Cells with a true nucleus... Their DNA is composed of many linea…
The theory is that a large host cell ingested small cells (po…
The Cell Theory
All living things are made of one or more cells... The cell is t…
Prokaryotic Cells
Cells without a nucleus... Their DNA is a single,... circular chrom…
72 terms
IB Cell Biology - Miss Kirpalani
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…
IB Biology HL - Cell Cycle
Interphase
G1 Phase
S Phase
G2 Phase
G1, S, G2, longest and most active phase of cell cycle, cell…
rapid protein synthesis causes cell to grow in size, proteins…
DNA doubles, chromosomes turn into sister chromatids, sister…
protein synthesis produces useful proteins such as microtubul…
Interphase
G1, S, G2, longest and most active phase of cell cycle, cell…
G1 Phase
rapid protein synthesis causes cell to grow in size, proteins…
37 terms
Cell Biology (IB HL Biology)
Cell Theory
Evidence for Cell theory
Exceptions to Cell Theory
Functions of Life
All organisms are composed of one or more cells. ... All cells a…
Living tissues= composed of cells... Cells of an organism can so…
Skeletal muscle - multinucleate cytoplasm ... Some fungal hyphae…
Metabolism... Response to stimuli... Homeostasis ... Growth/developmen…
Cell Theory
All organisms are composed of one or more cells. ... All cells a…
Evidence for Cell theory
Living tissues= composed of cells... Cells of an organism can so…
IB Biology Cells
Cell theory
Life functions
Nutrition
Homeostasis
basic idea that cells are fundamental units of life is part o…
All cells show functions of life to maintain stable internal…
All cells require food to provide energy to power chemical re…
cells maintain a stable internal environment by carrying out…
Cell theory
basic idea that cells are fundamental units of life is part o…
Life functions
All cells show functions of life to maintain stable internal…
21 terms
IB Biology Cells
autotrophic
prokaryote
eukaryote
pseudo sex
self sufficient
before nucleus
-rue nucleus
two bacteria with pili attach and swap plasmids.
autotrophic
self sufficient
prokaryote
before nucleus
22 terms
IB Biology Cells
rough ER
smooth ER
pilli
lysosomes
transports proteins
transports lipids; sex hormone production; detox of drugs
attachment and joining of bacteria cells to transfer DNA
intracellular digestion; hydrolytic enzymes; fuse with old/da…
rough ER
transports proteins
smooth ER
transports lipids; sex hormone production; detox of drugs
35 terms
IB Biology Cell Quiz Review
Cell Theory
1st Rule of the Cell Theory
2nd Rule of the Cell Theory
3rd Rule of Cell Theory
The cell theory consists of three statements that govern our…
Cells are the basic unit of life- cells are the smallest thin…
All living things are made of cells- at their most basic leve…
Cells come from other cells- life does not spontaneously gene…
Cell Theory
The cell theory consists of three statements that govern our…
1st Rule of the Cell Theory
Cells are the basic unit of life- cells are the smallest thin…
26 terms
IB Biology - Cell Division
mitosis
cytokinesis
Interphase
G1 phase
nuclear division
cell division; cytoplasm divides
stage in which cell performs task for which it is preprogrammed
follows mitosis; period of cell growth
mitosis
nuclear division
cytokinesis
cell division; cytoplasm divides
35 terms
IB Biology Cell Vocabulary
Cell
Prokaryotic cell
Eukaryotic cell
Cell Membrane (Plasma membrane)
The smallest structural and functional unit of life, typicall…
A type of cell lacking a membrane-enclosed nucleus, and membr…
A type of cell with a membrane-enclosed nucleus and a membran…
The membrane at the boundary of every cell that acts as a sel…
Cell
The smallest structural and functional unit of life, typicall…
Prokaryotic cell
A type of cell lacking a membrane-enclosed nucleus, and membr…
110 terms
IB Cell Biology
What are the life functions?
Why are cell so small?
explain differentiation
explain stem cells
nutrition, metabolism, growth, response, excretion, homeostas…
So they can have a good surface area to volume ratio
The expression of some of a cell's genes and not others. spec…
stem cells are cells that are capable of becoming any type of…
What are the life functions?
nutrition, metabolism, growth, response, excretion, homeostas…
Why are cell so small?
So they can have a good surface area to volume ratio
19 terms
IB Biology Cells
Prokaryotic & Eukaryotic
Prokayotic vs Eukaryotic
Prokaryotic vs Eukaryotic DNA
Plant & Animal
Have DNA and genetic information to reproduce, ribosomes, cyt…
P: has pili to stick to animal cells and exchange genetic inf…
P: Naked DNA held in the nucleoid as a large singular strand…
Both have cell membranes, vacuole, lysosomes, nucleus, cytopl…
Prokaryotic & Eukaryotic
Have DNA and genetic information to reproduce, ribosomes, cyt…
Prokayotic vs Eukaryotic
P: has pili to stick to animal cells and exchange genetic inf…
IB SL Biology - Cells
Ribosomes
Eukaryotic
Protein Synthesis
Nucleoid
These organelles are the sites of translation of DNA for the…
A cell characterized by the presence of a nucleus and other m…
The assembly of chains of amino acids into functional protein…
Region containing closed-loop DNA.
Ribosomes
These organelles are the sites of translation of DNA for the…
Eukaryotic
A cell characterized by the presence of a nucleus and other m…
IB Biology- Cells
Flagellum
Endoplasmic reticulum
Rough ER
Smooth ER
Motility structure present in some animal cells, composed of…
network of membranous sacs and tubes; active in membrane synt…
responsible for the assembly of many proteins. Coated by ribo…
regulates and releases calcium ions and processes toxins Buil…
Flagellum
Motility structure present in some animal cells, composed of…
Endoplasmic reticulum
network of membranous sacs and tubes; active in membrane synt…
IB Biology: Cells
Is it Alive?
Homeostasis
Eukaryotic cells
Prokaryotic cells:
In order to be alive organisms must be able to: ... 1. Obtain fo…
In order to stay alive an organism must be able to achieve an…
It is larger than prokaryotic cells. it contains organelles a…
Simplest form and most abundant cells on earth. It contains n…
Is it Alive?
In order to be alive organisms must be able to: ... 1. Obtain fo…
Homeostasis
In order to stay alive an organism must be able to achieve an…
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