BioFinal(Filled in!) -...

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A compound that is secreted in one part of the body and travels through the bloodstream to  another part of the body where it has an affect…  hormones Identify different between Plant Hormones Auxins - stem elongation, differentiation of cells, apical dominance Cytokinins - cell division, germination Gibberellins - seed, bud, fruit development, stem elongation Abscisic Acid - inhibits growth, closes stomata, prevents germination Ethylene - promotes fruit ripening  Brassinosteroids - normal growth and development, xylem differentiation, pollen  tube elongation The hormone that triggers a rapid response to a sudden decrease in humidity and/or increase in  water loss… mineralcortioid Hormone that stimulates flower development… Florigen Target Cell?  Cells with corresponding receptors respond; only cells with specialized  junction with the axon of an activated neuron will respond Lipid soluble signal molecules cross membranes of all cells but only affect target cells  because…  intracellular receptors are present only in target cells. Animal hormones systems are regulated because… metabolism, other processes  etc Effect of an increase in level of Thyroxine (T4)…  increase in metabolic rate, growth, protein  synthesis, and neural maturation Contains neurosecretory cells…  HYPOTHALAMUS Which endocrine gland produces the greatest number of all different hormones?  Anterior  Pituitary gland Which endocrine gland secretes steroid hormones?  Gonads (Testes or ovaries), Adrenal  Cortex Where is the piruitary gland located?  Base of the brain, or hypothalamus
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Which glands are communicating via portal system? 
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This note was uploaded on 02/10/2011 for the course BIOL 1201 taught by Professor Whischusen during the Spring '11 term at University of Louisiana at Lafayette.

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BioFinal(Filled in!) -...

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