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Control of Respiration
Hypercapnia A slight increase in PCO and thus H Stimulates central chemoreceptors Hypoxia Oxygen deficiency at the tissue level Caused by a low PO in arterial blood due to high ...
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Changes in metabolic rate of selected structures in a mammal's body during different activities
Red areas are regions of high metabolism blue areas are regions of low metabolism Note that during exercise skeletal muscle becomes more active and areas associated with food digestion and ...
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Main components of the human endocrine system and the effects of their secretions
Hormone-secreting cells are also present in the glandular epithelia of the stomach small intestine liver heart kidneys adipose tissue skin placenta and other organs Hormone-secreting cells are also present in ...
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Stages of transcription
Transcription can be divided into initiation, elongation, and termination. The inset emphasizes the direction of RNA synthesis and base pairing between the DNA template strand and RNA.
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