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Decks in this class (58)

Biological Molecules
Macromolecule,
Most common elements in living or...,
Carbon can form
6  cards
Enzyme Inhibitors
Inhibitor is,
Competitive inhibitor competes for,
Non competitive inhibitor binds to
12  cards
Enzyme Affinities
Affinity is,
When v max enzyme is,
Michaelis menten constant
14  cards
Immobilising Enzymes
Enzymes are very,
Immobilising enzyme is a way how to,
Alginate beads
7  cards
Structure Of Membranes
All living cells are surrounded,
Cell membrane function,
Phospholipids can form
22  cards
Blood Plasma And Tissue Fluid
Blood plasma is mainly,
Plasma also include protein molec...,
In capillaries some of the plasma
14  cards
Lymph
Around 10 of tissue fluid is coll...,
Lymph vessels are also called,
Lymphatics are tiny
11  cards
Water
Water,
Ice is less,
Water has quite high
19  cards
Carbohydrates
Carbohydrates contain,
General formula for carbs,
Carbs are divided into 3 groups
24  cards
Starch, glycogen and cellulose
Starch is made of,
Amylose is formed by,
Amylose has long
22  cards
Lipids
Lipids are a diverse,
Most common are,
Lipids contain elements
16  cards
Proteins
Proteins are made of elements,
Proteins are po,
There are millions of
32  cards
Hameoglobin and Collagen
Globular proteins,
Fibrous proteins,
Haemoglobin is
17  cards
Microscopy
Many of the cell contents are,
The deeply staining material in t...,
Chromatin collects together
34  cards
Nucleus, ER, Ribosomes and Golgi body
Ultrastructure,
A nucleus is the,
A nucleus is surrounded by
32  cards
Lysosomes, Mitochondria
Lysosomes are,
Lysosomes diameter,
Lysosomes contain
24  cards
Cell membrane, Microvilli, Centrioles
The cell membrane is extremely,
The cell membrane has,
Microvilli are
18  cards
Cell wall, Vacuoles and chloroplast
Which organelle is absent from pl...,
The cell wall is outside,
The cell wall is rigid thanks to
17  cards
Prokaryotic cells and viruses
Average of prokaryotic cells is,
Contains ribosomes,
It does not have
12  cards
Enzymes
Enzyme is,
An enzyme is a biological catalys...,
An enzyme is coiled into
17  cards
Factors affecting the enzyme activity
Enzyme activity can be affected by,
The more enzyme present,
As long as there is plenty of sub...
16  cards
Proteins in the cell membrane
Two groups of proteins,
Integral proteins can be found in,
Some of the integral proteins are
18  cards
Cell signaling
Importance of cell signalling,
Signal pathway,
Transduction is
25  cards
Diffusion, facilitated diffusion and osmosis
What is transported by a diffusion,
Factors affecting the rate of dif...,
Large molecules require
21  cards
Active transport and bulk transport
Active transport is achieved by,
Energy in active transport is,
Sodium potassium pump is found in
15  cards
Chromosomes
Chromosomes are made of two,
During interphase each,
Each chromatid contains
28  cards
The cell cycle
Mitosis is,
The cell cycle is,
The cell cycle has 3 phases
15  cards
Mitosis
Stages of mitosis,
Early prophase chromosomes conden...,
Early prophase kinetochores are
21  cards
Centromeres, centrioles and centrosomes
A centromere is needed for,
Each chromosome has two,
Kinetochores are made of
10  cards
Significance of mitosis
Growth,
Repair and replacement,
Mitosis is the base of
5  cards
The significance of telomeres
Telomeres are located,
Telomeres are made of,
In telomeres one strand of dna is
11  cards
Stem cells
A stem cell is,
Potency is the extent of power,
Totipotent stem cells can
7  cards
Controlled mitosis and cancer
Cancer is a result of,
Cancerous cells divide repeatedly,
Cancers start when changes
12  cards
DNA and RNA
Dna stands for,
Rna stands for,
Dna and rna are
25  cards
DNA replication
Replication is the process,
Helicase is,
The dna unzips as
18  cards
Genes and mutation
A gene is a part of,
One dna molecule contains many,
Mutation is a change in
12  cards
Protein synthesis
Transcription of gene in the nucleus,
How is the mrna molecule made,
When does the transcription of ge...
35  cards
The mammalian cardiovascular system
Animals particularly mammals are ...,
Animals rely on finding,
The greater the activity of organ...
8  cards
Blood vessels
Arteries carry blood,
Veins carry blood,
Capillaries link
31  cards
Transport needs of plants
To move substances from where the...,
To move substances to different p...,
Plants do not have a system for t...
6  cards
Structure of plants
Main organs involved in transport...,
Angiosperms are,
Angiosperms can be
28  cards
The transport of water
The transport of water is,
The process of transpiration star...,
Transpiration is the process of
18  cards
Xerophytes
Xerophytes are,
The leaves can roll up,
Cactus has flattened
6  cards
Xylem
The walls of the cells in xylem are,
Xylem tissue 2 functions are,
Vessel elements and
42  cards
Translocation and phloem tissue
Translocation is,
Assimilates are,
Assimilates are transported in
31  cards
Blood
How many litres of blood do human...,
Red blood cells are also called,
The red blood cells in a fetus ar...
17  cards
Haemoglobin
Haemoglobin is,
The equation of oxyhaemoglobin,
Haemoglobin needs to be able to
35  cards
The heart
The heart is approximately a size of,
Cardiac muscle is,
Cardiac muscle is made of
14  cards
The cardiac cycle
The heart beats around,
The cardiac cycle the sequence of,
Atrial systole is a stage when
35  cards
Gas exchange
The gas exchange system clears and,
The gas exchange system maximises,
The gas exchange system minimises
25  cards
Smoking
Tobacco smoke contains,
Mainstream smoke is from,
Sidestream smoking from
34  cards
Immunity system
Immunity is protection,
External defence system,
Internal defence system consists of
45  cards
Antibodies and T-lymphocytes
Antibodies are,
An immunoglobulin is a group of,
Each antibody is made of
27  cards
Active and Passive immunity
Active immunity is immunity gained,
Passive immunity is immunity gained,
Artificial active immunity is kno...
9  cards
Vaccines
Vaccine contains,
Toxoid is,
Attenuated organism
21  cards
Autoimmune disease
Autoimmune disease is when,
Mg is,
Motor neuron releases
14  cards
Monoclonal antibodies
The antibodies have a high,
Monoclonal antibodies are,
B cells that divide by mitosis do...
12  cards
Respiration
Needs for energy,
The equation for respiration,
Respiratory quotient is the ratio
34  cards

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Biology A-level

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