Essay Biology
The importance of ions in biology. - Answer-Phosphate in structure
of phospholipids, nucleotides, DNA and RNA
Co-transport involving sodium ions
-ATP and ADP
-Protons in photosynthesis,
including reduced NADP and phosphorylated
intermediates
Nitrogen cycle
Calcium ions and muscle
contraction, and phosphate from
ATP
Haemoglobin and iron
OFF SPEC - GABA, dopamine, chlorine ions = treating stressors
The importance of responses to changes in the internal and external environment of an
organism - Answer-Transport in and out of cells (of
specific substances)
Immune response
Haemoglobin
Adaptation and selection
Responses to stimuli - plants and
tropisms - control of heart rate
Taxes and kineses
Homeostasis - response to
changes in internal environment
Control of Heart Rate
2 Simple reflexes and
neurones and synapses
OFF SPEC - Stress, SAM pathway, cortisol, CRH, ACTH hormones.
The importance of ions in biology. - Answer-Phosphate in structure
of phospholipids, nucleotides, DNA and RNA
Co-transport involving sodium ions
-ATP and ADP
-Protons in photosynthesis,
including reduced NADP and phosphorylated
intermediates
Nitrogen cycle
Calcium ions and muscle
contraction, and phosphate from
ATP
Haemoglobin and iron
OFF SPEC - GABA, dopamine, chlorine ions = treating stressors
The importance of responses to changes in the internal and external environment of an
organism - Answer-Transport in and out of cells (of
specific substances)
Immune response
Haemoglobin
Adaptation and selection
Responses to stimuli - plants and
tropisms - control of heart rate
Taxes and kineses
Homeostasis - response to
changes in internal environment
Control of Heart Rate
2 Simple reflexes and
neurones and synapses
OFF SPEC - Stress, SAM pathway, cortisol, CRH, ACTH hormones.
