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Study sets matching "ib biology hl"

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Study sets matching "ib biology hl"

17 terms
IB Biology HL - Organelles
Cell Membrane
Cell Wall
Cytoplasm
Mitochondria
Controls what comes into and out of a cell... "members only"
Ridged outer layer of a plant cell... "like a brick___"
Gel-like fluid where the organelles are found... "sail through m…
Produces the energy a cell needs to carry out its functions... "…
Cell Membrane
Controls what comes into and out of a cell... "members only"
Cell Wall
Ridged outer layer of a plant cell... "like a brick___"
54 terms
Photosynthesis (IB Biology HL)
light-dependent reactions
light-independent reactions
action spectrum
absorption spectrum
The first stage in photosynthesis, occuring the presence of l…
These are chemical reactions that convert carbon-dioxide to g…
A spectrum of photosynthesis that shows the percentage of lig…
electromagnetic spectrum transmitted through a substance, sho…
light-dependent reactions
The first stage in photosynthesis, occuring the presence of l…
light-independent reactions
These are chemical reactions that convert carbon-dioxide to g…
28 terms
IB Biology HL Photosynthesis
Photosynthesis
Light Dependent Reactions (LDR)
Light Independent Reactions (LIR)
Condensation Reaction
The conversion of light energy into chemical energy in plants
Uses light energy to produce ATP and to split water molecules…
Calvin Cycle, uses ATP and H+ ions to 'fix' carbon dioxide. m…
The process where monosaccharides are combined to make carboh…
Photosynthesis
The conversion of light energy into chemical energy in plants
Light Dependent Reactions (LDR)
Uses light energy to produce ATP and to split water molecules…
IB Biology HL: Organelles
Nucleus
Nucleolus
Nuclear membrane
Chromatin
All cells except prokaryotes. Control center, contains DNA an…
All cells except prokaryotes. Makes ribosomes (proteins)
All cells except prokaryotes. Surrounds the nucleus, double m…
All cells except prokaryotes. Made of DNA. A protein complex…
Nucleus
All cells except prokaryotes. Control center, contains DNA an…
Nucleolus
All cells except prokaryotes. Makes ribosomes (proteins)
337 terms
IB Biology HL
What are the characteristics common to…
What are the levels of biological orga…
What are the 4 most common types of bi…
Organelle
reproduction, carbon, responds to surroundings, Growth and De…
Molecules, cell, tissue, organ, organism, population, communi…
Proteins, nucleic acids, carbohydrates, and lipids
any of a number of organized or specialized structures in a l…
What are the characteristics common to…
reproduction, carbon, responds to surroundings, Growth and De…
What are the levels of biological orga…
Molecules, cell, tissue, organ, organism, population, communi…
53 terms
Photosynthesis (IB Biology HL)
light-dependent reactions
light-independent reactions
action spectrum
absorption spectrum
The first stage in photosynthesis, occuring the presence of l…
These are chemical reactions that convert carbon-dioxide to g…
A spectrum of photosynthesis that shows the percentage of lig…
electromagnetic spectrum transmitted through a substance, sho…
light-dependent reactions
The first stage in photosynthesis, occuring the presence of l…
light-independent reactions
These are chemical reactions that convert carbon-dioxide to g…
23 terms
IB HL Biology Photosynthesis
Where does the light-dependent reactio…
What are the products of the light-dep…
Where does the light-independent react…
What are the products of the light-ind…
In the intermembrane space of the thylakoids.
Light energy is converted into ATP and reduced NADP.
In the stoma.
It uses ATP and reduced NADP from the light dependent reactio…
Where does the light-dependent reactio…
In the intermembrane space of the thylakoids.
What are the products of the light-dep…
Light energy is converted into ATP and reduced NADP.
96 terms
IB Biology HL Vocabulary
Active Transport
Active Site
Adenosine Triphosphate (ATP)
Aerobic Respiration
Movement of substances across a membrane involving a carrier…
Region of enzyme molecule where substrate molecule binds
A nucleotide, present in every living cell, formed in photosy…
Respiration requiring oxygen, involving oxidation of glucose…
Active Transport
Movement of substances across a membrane involving a carrier…
Active Site
Region of enzyme molecule where substrate molecule binds
77 terms
IB biology HL cell biology
cell theory
Human cheek cell
moss leaf cell
exception to cell theory; Skeletal mus…
Cells are the smallest possible unit of life, all living orga…
Contains; cytoplasm, plasma membrane, nucleus and mitochondria.
Contains; vacuole, chloroplast, nucleus, plasma membrane, cel…
Made up of muscle fibres, enclosed in a membrane, but are muc…
cell theory
Cells are the smallest possible unit of life, all living orga…
Human cheek cell
Contains; cytoplasm, plasma membrane, nucleus and mitochondria.
22 terms
IB Biology HL: Organelles
Nucleus
Rough Endoplasmic Reticulum (rER)
Golgi Apparatus
Lysosome
>Surrounded by a double membrane... >Contains chromosomes/uncoil…
>Consists of flattened membrane sacs, called cisternae... >Ribos…
>Flattened membrane sacs, called cisternae, which are often c…
>Spherical with a single membrane... >Formed by Golgi vesicles... >…
Nucleus
>Surrounded by a double membrane... >Contains chromosomes/uncoil…
Rough Endoplasmic Reticulum (rER)
>Consists of flattened membrane sacs, called cisternae... >Ribos…
17 terms
IB Biology- Photosynthesis HL
structures of a chloroplast as seen in…
Photosynthesis consists of ...
light-dependent reactions
non-cyclic photophossphorylation
light-dependent and light-independent reactions
Photosynthesis occurs inside chloroplasts, which contain chlo…
deduce the ultimate fate of elections displaced from the reac…
structures of a chloroplast as seen in…
Photosynthesis consists of ...
light-dependent and light-independent reactions
302 terms
IB Biology HL Revision
1.1.1... What are error bars?
1.1.2... Calculate mean and standard devi…
1.1.3... What is standard deviation?
1.1.4... Explain how standard deviation i…
Graphical representation of the variability of data.
Mean is an average of data points. (Add all values and divide…
It is used to summarize the spread of values around the mean.…
Higher standard deviations indicate a wider spread of data ar…
1.1.1... What are error bars?
Graphical representation of the variability of data.
1.1.2... Calculate mean and standard devi…
Mean is an average of data points. (Add all values and divide…
62 terms
IB Biology HL : Definition Terms
diffusion
Osmosis
enzyme
active site
the passive movement of particles from ... a region of high conc…
the passive movement of water molecules, across a partially p…
Globular proteins which act as catalysts of chemical reactions.
Region on the surface of an enzyme to which substrates bind a…
diffusion
the passive movement of particles from ... a region of high conc…
Osmosis
the passive movement of water molecules, across a partially p…
309 terms
IB HL Biology Glossary
Activation energy
Active site
Active transport
Adenine
Energy a substrate molecule must have before it can undergo a…
Region of enzyme molecule where substrate molecule binds
Movement of substances across a membrane involving a carrier…
A purine organic base, found in the coenzymes ATP and NADP an…
Activation energy
Energy a substrate molecule must have before it can undergo a…
Active site
Region of enzyme molecule where substrate molecule binds
83 terms
Biology IB definitions HL
Diffusion
Osmosis
Binary fission
Species
passive movement of particules from a region of higher concen…
passive movement of water molecules across a partially permea…
asexual reproduction and cell division used by prokaryotic ce…
group of organisms that can interbreed and produce a fertile…
Diffusion
passive movement of particules from a region of higher concen…
Osmosis
passive movement of water molecules across a partially permea…
302 terms
IB Biology HL
1.1.1... What are error bars?
1.1.2... Calculate mean and standard devi…
1.1.3... What is standard deviation?
1.1.4... Explain how standard deviation i…
Graphical representation of the variability of data.
Mean is an average of data points. (Add all values and divide…
It is used to summarize the spread of values around the mean.…
Higher standard deviations indicate a wider spread of data ar…
1.1.1... What are error bars?
Graphical representation of the variability of data.
1.1.2... Calculate mean and standard devi…
Mean is an average of data points. (Add all values and divide…
73 terms
IB HL Biology: Topic 2
comparison of RNA and DNA, carbon sugar
comparison of RNA and DNA, carbon suga…
comparison of RNA and DNA, possible ba…
comparison of RNA and DNA, base types
both RNA and DNA contain 5 carbon sugar
RNA has 5 carbon sugar ribose, DNA has 5 carbon sugar deoxyri…
both RNA and DNA have 4 possible bases
RNA has adenine, uracil, cytosine, guanine; DNA has adenine,…
comparison of RNA and DNA, carbon sugar
both RNA and DNA contain 5 carbon sugar
comparison of RNA and DNA, carbon suga…
RNA has 5 carbon sugar ribose, DNA has 5 carbon sugar deoxyri…
30 terms
IB Biology HL Command Terms
Distinguish
Estimate
Compare
Construct
Give the differences between two or more items
Find an approximate value for an unknown quantity
Give an account of similarities and differences between two,…
Represent or develop in a graphical form
Distinguish
Give the differences between two or more items
Estimate
Find an approximate value for an unknown quantity
53 terms
IB Biology HL : Definition
2.4.4 Define diffusion
Osmosis
3.6.1 Define enzyme
active site
Diffusion is the passive movement of particles from ... a region…
Osmosis is the passive movement of water ... molecules, across a…
Enzymes: Globular proteins which act as catalysts of chemical…
Active site: Region on the surface of an enzyme to which subs…
2.4.4 Define diffusion
Diffusion is the passive movement of particles from ... a region…
Osmosis
Osmosis is the passive movement of water ... molecules, across a…
17 terms
IB Biology- Photosynthesis HL
structures of a chloroplast as seen in…
Photosynthesis consists of ...
light-dependent reactions
non-cyclic photophossphorylation
light-dependent and light-independent reactions
Photosynthesis occurs inside chloroplasts, which contain chlo…
deduce the ultimate fate of elections displaced from the reac…
structures of a chloroplast as seen in…
Photosynthesis consists of ...
light-dependent and light-independent reactions
60 terms
IB Biology HL
Define Monomer? Give an example for ca…
Define Polymer? Give two examples.
Define Peptide bond?
Define Polypeptide?
Small substances composed of a single sub-unit. An example of…
Large substances formed when monomers bond together. Also kno…
A bond that joins amino acids from a condensation reaction
Polymers of amino acids joined together by peptide bonds.
Define Monomer? Give an example for ca…
Small substances composed of a single sub-unit. An example of…
Define Polymer? Give two examples.
Large substances formed when monomers bond together. Also kno…
28 terms
IB Biology HL Photosynthesis
Photosynthesis
Light Dependent Reactions (LDR)
Light Independent Reactions (LIR)
Condensation Reaction
The conversion of light energy into chemical energy in plants
Uses light energy to produce ATP and to split water molecules…
Calvin Cycle, uses ATP and H+ ions to 'fix' carbon dioxide. m…
The process where monosaccharides are combined to make carboh…
Photosynthesis
The conversion of light energy into chemical energy in plants
Light Dependent Reactions (LDR)
Uses light energy to produce ATP and to split water molecules…
53 terms
IB Biology HL : Definition
2.4.4 Define diffusion
Osmosis
3.6.1 Define enzyme
active site
Diffusion is the passive movement of particles from ... a region…
Osmosis is the passive movement of water ... molecules, across a…
Enzymes: Globular proteins which act as catalysts of chemical…
Active site: Region on the surface of an enzyme to which subs…
2.4.4 Define diffusion
Diffusion is the passive movement of particles from ... a region…
Osmosis
Osmosis is the passive movement of water ... molecules, across a…
19 terms
IB Biology HL Cellular Respiration
citric acid cycle
reduction reaction
acetyl-CoA
phosphorylated
Second major step of cellular respiration. Occurs in the mito…
one in which electrons are received; the "red" in redox
compound that enters the citric acid cycle.
is bonded to a phosphate group
citric acid cycle
Second major step of cellular respiration. Occurs in the mito…
reduction reaction
one in which electrons are received; the "red" in redox
11 terms
IB HL Biology Meiosis
Prophase I
Metaphase I
Anaphase I
Telophase I
1st Stage of Meiosis... DNA becomes more compact and chromosomes…
2nd Stage of Meiosis... Homologous chromosomes line up randomly…
3rd Stage of Meiosis... Spindle fibres attach to the chromosome…
4th Stage of Meiosis... Spindle fibres disintegrate.... Chromosomes…
Prophase I
1st Stage of Meiosis... DNA becomes more compact and chromosomes…
Metaphase I
2nd Stage of Meiosis... Homologous chromosomes line up randomly…
30 terms
Cellular Respiration (IB Biology HL)
mitochondrion
cytoplasm
Cellular respiration
Glycolysis
organelle with a double-membrane that is the main site for ce…
location in cells where glycolysis takes place
The controlled release of energy from organic compounds in ce…
Metabolic pathway that converts glucose into pyruvate
mitochondrion
organelle with a double-membrane that is the main site for ce…
cytoplasm
location in cells where glycolysis takes place
62 terms
IB Biology HL: Genetics
Genome
Daughter cells
Bivalent
Random orientation
Complete set of genes
The cells at the end of mitosis are called
Mom and dad's chromosomes move together, which allows for cro…
The random order that chromosomes line up in at the equator d…
Genome
Complete set of genes
Daughter cells
The cells at the end of mitosis are called
34 terms
IB Biology HL Topic 7
DNA structure
Nucleosomes
Exons
Introns
antiparallel strands, 3'-5' linkages, and H bonding between p…
consist of DNA wrapped around 3 histone proteins and are held…
sequences of bases that are transcribed and translated
sequences of bases that are transcribed, but not translated
DNA structure
antiparallel strands, 3'-5' linkages, and H bonding between p…
Nucleosomes
consist of DNA wrapped around 3 histone proteins and are held…
117 terms
IB Biology IB Questions - HL
Describe the structure of DNA, includi…
Outline the structure of nucleosomes
State that nucleosomes help to superco…
Distinguish between unique or single c…
>The carbon atoms in deoxyribose are numbered, with the nitro…
>The DNA double helix contains major and minor grooves on its…
>Nucleosomes serve two main functions:... --They protect DNA fro…
Unique/Single copy:... Small proportino, occur once, long base s…
Describe the structure of DNA, includi…
>The carbon atoms in deoxyribose are numbered, with the nitro…
Outline the structure of nucleosomes
>The DNA double helix contains major and minor grooves on its…
55 terms
IB Biology HL : Definition
diffusion
Osmosis
enzyme
active site
the passive movement of particles from ... a region of high conc…
the passive movement of water ... molecules, across a partially…
Globular proteins which act as catalysts of chemical reactions.
Region on the surface of an enzyme to which substrates bind a…
diffusion
the passive movement of particles from ... a region of high conc…
Osmosis
the passive movement of water ... molecules, across a partially…
541 terms
IB Biology HL
What are the characteristics common to…
What are the levels of biological orga…
What are the 4 most common types of bi…
Organelle
reproduction, carbon, responds to surroundings, Growth and De…
Molecules, cell, tissue, organ, organism, population, communi…
Proteins, nucleic acids, carbohydrates, and lipids
any of a number of organized or specialized structures in a l…
What are the characteristics common to…
reproduction, carbon, responds to surroundings, Growth and De…
What are the levels of biological orga…
Molecules, cell, tissue, organ, organism, population, communi…
71 terms
Photosynthesis (IB Biology HL)
light-dependent reactions
light-independent reactions
action spectrum
absorption spectrum
The first stage in photosynthesis, occuring the presence of l…
These are chemical reactions that convert carbon-dioxide to g…
A spectrum of photosynthesis that shows the percentage of lig…
electromagnetic spectrum transmitted through a substance, sho…
light-dependent reactions
The first stage in photosynthesis, occuring the presence of l…
light-independent reactions
These are chemical reactions that convert carbon-dioxide to g…
56 terms
IB HL Biology Topic 4
Abiotic factors
Autotroph
Biotic factors
Chi-squared test
the non-living physical and chemical attributes of a system,…
an organism that uses solar energy or chemical energy to manu…
attributes in an ecosystem that refer to living organisms
a statistical test of the fit between a theoretical frequency…
Abiotic factors
the non-living physical and chemical attributes of a system,…
Autotroph
an organism that uses solar energy or chemical energy to manu…
24 terms
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
17 terms
IB Biology HL - Organelles
Cell Membrane
Cell Wall
Cytoplasm
Mitochondria
Controls what comes into and out of a cell... "members only"
Ridged outer layer of a plant cell... "like a brick___"
Gel-like fluid where the organelles are found... "sail through m…
Produces the energy a cell needs to carry out its functions... "…
Cell Membrane
Controls what comes into and out of a cell... "members only"
Cell Wall
Ridged outer layer of a plant cell... "like a brick___"
210 terms
[IB] Biology HL: Evolution
Evolution
2 Requirements for Evolution
Natural Selection (Darwin Theory of Ev…
Discuss the theory of evolution by nat…
The cumulative change in the heritable characteristics of a p…
1) A source of variation between individuals of one species (…
Greater survival & reproductive success of individuals with f…
The theory of evolution by natural selection was proposed by…
Evolution
The cumulative change in the heritable characteristics of a p…
2 Requirements for Evolution
1) A source of variation between individuals of one species (…
49 terms
IB Biology HL: Enzymes
Pectinase
Lactase
Allosteric Activation
pH,Tempatures, and Salinity
Enzyme used to increase volume of juice from fruit
Enzyme used to convert lactose into glucose and galactose
An allosteric molecule must bind to the allosteric site in or…
Environmental factors that can affect the function of an enzyme
Pectinase
Enzyme used to increase volume of juice from fruit
Lactase
Enzyme used to convert lactose into glucose and galactose
337 terms
IB Biology HL Vocabulary
What are the characteristics common to…
What are the levels of biological orga…
What are the 4 most common types of bi…
Organelle
reproduction, carbon, responds to surroundings, Growth and De…
Molecules, cell, tissue, organ, organism, population, communi…
Proteins, nucleic acids, carbohydrates, and lipids
any of a number of organized or specialized structures in a l…
What are the characteristics common to…
reproduction, carbon, responds to surroundings, Growth and De…
What are the levels of biological orga…
Molecules, cell, tissue, organ, organism, population, communi…
34 terms
IB Biology HL - Digestion
functions of enzymes
substrate
Amylase
Pepsin
they lower activation energy of reaction - speed up reaction
chemical that is being broken down
comes from saliva, breaks down starch, product is Maltose, pH…
comes from gastric juice in stomach cells, breaks down protei…
functions of enzymes
they lower activation energy of reaction - speed up reaction
substrate
chemical that is being broken down
42 terms
IB Biology HL Revision
Reflex
Disaccharide
Receptors
Nitrogen Bases
type of response that is rapid and involuntary
Sucrose, Lactose, Maltose
Receive information from the environment, information is chan…
Adenine and Guanine = Purines; Thymine and Cytosine = Pyrimid…
Reflex
type of response that is rapid and involuntary
Disaccharide
Sucrose, Lactose, Maltose
53 terms
Photosynthesis (IB Biology HL)
light-dependent reactions
light-independent reactions
action spectrum
absorption spectrum
The first stage in photosynthesis, occuring the presence of l…
These are chemical reactions that convert carbon-dioxide to g…
A spectrum of photosynthesis that shows the percentage of lig…
electromagnetic spectrum transmitted through a substance, sho…
light-dependent reactions
The first stage in photosynthesis, occuring the presence of l…
light-independent reactions
These are chemical reactions that convert carbon-dioxide to g…
33 terms
IB HL Biology- Mitosis Powerpoint
When DNA condenses, it forms ___
When chromosomes REPLICATE, they form…
What are chromatids?
What are chromatids joined at?
Chromosomes
Chromatids
-2 identical copies of a chromosome
The centromere
When DNA condenses, it forms ___
Chromosomes
When chromosomes REPLICATE, they form…
Chromatids
67 terms
IB Biology HL: Neurobiology
stimulus
response
reflex
receptor cells
a change in external or internal environment that is detected…
a change of behavior in reaction to a stimulus
a rapid and unconscious response produced by natural selection
detect change in environment
stimulus
a change in external or internal environment that is detected…
response
a change of behavior in reaction to a stimulus
27 terms
IB Biology HL: Photosynthesis
Photosynthesis
Electromagnetic Spectrum
Chlorophyll Molecule: main photosynthe…
thylakoid
-Conversion of light energy to chemical energy... -Plants and ot…
-Sunlight composed of different colors=different wave lengths…
Porphyrin ring: Light-absorbing "head" of molecule; note magn…
increase surface area; increase light absorption
Photosynthesis
-Conversion of light energy to chemical energy... -Plants and ot…
Electromagnetic Spectrum
-Sunlight composed of different colors=different wave lengths…
13 terms
IB Biology Experiments (inc. HL)
Singer-Nicholson model
Pasteur
Wöhler
Watson & Crick
The original model proposed by Davson-Danielli, the sandwich…
Aim: to see if microbes would spontaneously grow in a sterili…
He synthesised urea, and so disproved vtitalism, which claime…
Incorporated theories of Chargaff and Franklin into a physica…
Singer-Nicholson model
The original model proposed by Davson-Danielli, the sandwich…
Pasteur
Aim: to see if microbes would spontaneously grow in a sterili…
21 terms
IB Biology HL Vocab
Fluid mosaic model
Selective permeability
Cholesterol
Phospholipids
Model of cell membrane structure. Membrane is a mosaic of pro…
Property of biological membranes that allows them to regulate…
Steroid that is an essential component to animal cell membran…
Lipid made up of glycerol joined with two fatty acids and a p…
Fluid mosaic model
Model of cell membrane structure. Membrane is a mosaic of pro…
Selective permeability
Property of biological membranes that allows them to regulate…
89 terms
IB Biology HL Genetics
A genetic mutation is a
When do genetic mutations occur?
Point mutations are
Substitution is
change in the bases of a DNA or RNA sequence
During DNA replication and in preparation for cell division o…
one single codon that's been mutated.
a kind of point mutation.
A genetic mutation is a
change in the bases of a DNA or RNA sequence
When do genetic mutations occur?
During DNA replication and in preparation for cell division o…
34 terms
Photosynthesis IB Biology HL
Photosynthesis uses...... to produce
Light energy from the sun is captured…
Waste product
Light from the sun is composed
light energy to combine simple inorganic compounds - water an…
plants and other photosynthetic organisms and converted into…
oxygen is released as a waste product.
of a range of wavelenghts (colours): violet is the shortest a…
Photosynthesis uses...... to produce
light energy to combine simple inorganic compounds - water an…
Light energy from the sun is captured…
plants and other photosynthetic organisms and converted into…
56 terms
IB HL Biology: Evolution
Evolution
Fossil Record
Selective Breeding
Homologous Structures
It occurs when the heritable characteristics of a species cha…
Preserved remains of an organism, whether plants or animals e…
Good record of recent changes in genetic characteristics of... o…
Common internal structures in dissimilar animals, essentially…
Evolution
It occurs when the heritable characteristics of a species cha…
Fossil Record
Preserved remains of an organism, whether plants or animals e…
49 terms
IB Biology HL Glossary
Causal relationship
Correlation
Error bar
Hypothesis
A relationship between one event, X and another, Y, in which…
A relationship between 2 variables where a change in one caus…
Used on a graph to show some measure of upper and lower value…
A testable explanation of an observed event.
Causal relationship
A relationship between one event, X and another, Y, in which…
Correlation
A relationship between 2 variables where a change in one caus…
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