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Ellie Paddison
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Decks in this class (68)
1.1. Biomolecules — Inorganic ions, water and carbohydrates
What is the role of magnesium in ...,
Why is iron needed in the body,
What is the role of calcium in an...
25
cards
1.1 Biomolecules: Proteins and Triglycerides
Be able to draw a generic amino acid,
Why are amino acids said to be am...,
How many amino acids are there an...
20
cards
1.1 Water
Why is water a dipole molecule,
What causes the dipole in water,
What is a hydrogen bond
13
cards
1.1 Macro+micro Nutrients
What is a macronutrient,
What is a micronutrient,
Name 4 macronutrients
7
cards
1.1 Carbohydrates
Monomer,
Polymer,
What is a biological molecule
20
cards
1.1 Disaccherides
How do disaccherides form,
Glucose glucose,
Glucose frutose
5
cards
1.1 Polysaccherides
What 2 types of polysaccherides,
Name 2 storage polysaccherides,
Name 2 structural polysaccherides
9
cards
1.1 Food Tests
How do you test for a protein,
Why is the biuret test said to be...,
What should be used if the level ...
4
cards
1.1 Proteins - Polypeptides
What bonds are found in a chain o...,
What makes up 1 amino acid,
How is the sequence of amino acid...
10
cards
1.1 Fats and Lipids
What do lipids contain,
Name the 2 types of lipid,
Saturated fats are
7
cards
1.2 Cell Structure and Organisation
What is the function of the nucleus,
What is the function of the nucle...,
What is the function of the ribosome
34
cards
1.2 Prokaryotic Cells
Do they have nucleus,
How is dna found,
What shape is their dna
11
cards
1.2 viruses
Why are viruses considered to not...,
Referred to as,
What is a viruses structure
3
cards
1.2 Eukaryotes
What does the term eukaryote mean,
Why is it known as a true nucleus,
Name all eukaryotic species
8
cards
1.2 Endosymbiosis theory
Name 5 similarities between mitoc...,
Name 3 differences,
What does the endosymbiosis theor...
6
cards
1.2 Prokaryotes vs Eukaryotes
Which cells are bigger,
Which has larger ribosomes bound ...,
Which has membrane bound organelles
14
cards
1.3 Phospholipid bilayer (plasma membrane)
Why is the plasma membrane descri...,
Why do the phospholipids arrange ...,
Why is cholesterol a critical com...
21
cards
1.3 components + functions of the plasma membrane
Name 5 main components of plasma ...,
What is the function of phospholi...,
Protein channel
8
cards
1.3 Diffusion
Name the 2 types of diffusion,
Define diffusion,
What molecules can pass directly ...
15
cards
1.3 Osmosis
What is osmosis,
Define osmosis,
What is the general water potenti...
25
cards
1.3 Active Transport
Define active transport,
How does active transport work,
What happens to p adp after the p...
5
cards
1.3 Cytosis
Why is cytosis needed,
Name types of cytosis,
Why are they referred to as bulk ...
12
cards
1.4 Metabolism as a series of enzyme controlled reactions
Define the term metabolism,
Describe what happens in an anabo...,
Describe what happens in an catab...
4
cards
1.4 The protein nature of enzymes
What structure of proteins are en...,
Name the 4 types of bonding that ...,
What are the functions of enzymes
4
cards
1.4 Intracellular + extracellular enzymes
Examples of intracellular enzymes,
Examples of extracellular enzymes,
3
cards
1.4 Active sites, interpreted in terms of 3D structure
The active site of an enzyme is a...
1
cards
1.4 Induced fit + lock and key theory
Describe lock and key theory,
Describe induced fit hypothesis,
How does a lysozyme destroy patho...
3
cards
1.4 catalysts + activation energy
What do enzymes do to activation ...,
What are the benefits of lowering...,
3
cards
1.4 Factors affecting enzyme activity
Name the 4 factors that may affec...,
What will occur in extreme temp,
Effect of temp on enzyme controll...
8
cards
1.4 Competitive + non-competitive inhibition
Define an inhibitor,
What are the 2 types of inhibitors,
How do competitive inhibitors bind
8
cards
1.4 immobilized enzymes
What are immobilised enzymes,
Where are immobilized enzymes used,
What is an example of an immobili...
9
cards
1.5 ATP (nucleic acids)
What are the components of atp,
What is an endergonic reaction,
What is an exogonic reaction
17
cards
1.5 DNA and RNA (nucleic acids)
What does dna stand for,
What does rna stand for,
What are the two functions of dna
30
cards
1.5 DNA replication
Name the 2 hypotheses,
What does the semi conservative h...,
What does conservative hypothesis...
8
cards
1.5 tRNA and amino acid activation
1
cards
1.5 DNA and Protein synthesis
Where does protein synthesis occur,
What is a triplet code,
What is a codon
5
cards
1.6 Mitosis
Name the 4 phases of mitosis,
What is mitosis,
What is cytokinesis
11
cards
1.6 Meiosis
What does meiosis form
1
cards
1.6 Mitosis Vs Meiosis
Divisions,
Number of chromosomes,
Chromosomes
6
cards
2.1 Classification and biodiverity
Taxonomy,
Classifications,
Hierarchey
35
cards
2.2 Oxygen and diffusion
What is the relationship between ...,
What is the relationship between ...,
How does the surface area volume ...
7
cards
2.2 Adaptations for gas exchange FISH
What are the features of speciali...,
How are fish adapted for efficien...,
Describe inspiration in bony fish
9
cards
2.2 Adaptations for gas exchange MAMMALS(+humans)
What is the respiratory surface i...,
How are lungs adapted for gas exc...,
Describe the process of inspirati...
6
cards
2.2 Adaptations for gas exchange INSECTS
How are insects adapted for gas e...,
Describe the insect ventilation m...,
Where is the site of gas exchange...
5
cards
2.2 Adaptations for gas exchange AMOEBA + FLATWORM + EARTHWORM
How does an amoeba obtain suffici...,
How does flatworm obtain sufficie...,
How does an earthworm obtain suff...
4
cards
2.2 Structure of the Angiosperm leaf
Name the 7 main parts of the leaf...,
What are the adaptations of the l...,
What are the adaptations of the l...
11
cards
2.3B Stem structure
What are the main components of a...,
Which parts of the stem belong to...,
How thick is the epidermis
8
cards
2.3B Root Structure
Name all the structures of a root...,
Function of the epidermis,
What is the function of root hair...
9
cards
2.3B Xylem
Xylem function,
4 different types of cells,
Function of vessel cells
12
cards
2.3B Phloem
Function of phloem tissue,
Name the parts of the phloem tissue,
What is the function of sieve tub...
8
cards
2.3B Water transport
What is transpiration,
What are the 3 section of water m...,
What are the 2 paths that water m...
20
cards
2.3B Transpiration + cohesion tension theory
Where in a plant does photosynthe...,
Where in a leaf does photosynthes...,
How does a leaf get carbon dioxide
18
cards
2.3B Translocation (in phloem)
What is translocation,
Where is the source,
Where is the sink
4
cards
2.3B Arguments against mass flow theory
State arguments against mass flow...
1
cards
2.3B Translocation experiments
Name the 4 translocation experiments,
Explain puncture experiments,
Explain ringing experiments
4
cards
2.3A The need for a transport system
3 factors to consider,
Size,
Metabolic activity
5
cards
2.3A Different types of circulatory system
Name the 4 types of circulatory s...,
What is a open circulatory system,
What species is an open circulato...
9
cards
2.4 Modes of nutrition
What is nutrition,
What are the 2 main modes of nutr...,
What are the 2 types of autotroph...
23
cards
2.4 Nutrition in unicellular organisms
Give an example of a unicellular ...,
Is amoeba autotrophic or heterotr...,
What type of heterotrophic is an ...
5
cards
2.4 Nutrition in multicellular organisms
Name 3 examples of multicellular ...,
How does a hydra digest things,
How do earthworms digest things
11
cards
2.4 How food is processed by the gut
What are the 4 main stages of dig...,
What is ingestion,
What is digestion
8
cards
2.4 Structure of the mammalian gut
Name the 4 main tissue layers of ...,
What are the 2 parts of the muscu...,
What is the serosa
11
cards
2.4 digestion + specialised cells in gastric gland
What are endopeptidases,
What are exopeptidases,
Name 3 specialised cells in the g...
8
cards
2.4 The small intestine
What are the 2 sections of the sm...,
What do the walls of the duodenum...,
What is the function of the alkal...
14
cards
2.4 Large intestine
What is absorbed in the large int...,
What are the parts of the large i...,
Use of glucose
6
cards
2.4 parasitic nutrition
What are parasites,
Why do parasites cause harm,
Why is the study of parasites eco...
8
cards
2.4 Adaptation to different diets
Why is the gut of the herbivor lo...,
What are the 4 chambers of a cow ...,
What occurs in the rumen
10
cards
2.4 dentition
What teeth are apparent in omnivores,
What teeth are apparent in carniv...,
How are carnivores jaws adapted
5
cards
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WJEC Biology AS-Level
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