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physiology final

QuestionAnswer
negative feedback self-regulating process where a system's output reduces or counteracts changes
positive feedback a self-amplifying loop where the output of a system intensifies the original stimulus. Unlike negative feedback that maintains stability, positive feedback pushes towards a conclusion, often ending when the process is complete
intrinsic feedback sensory information you feel (like balance or muscle tension),
extrinsic feedback comes from external sources (coaches, video, score) and provides outside perspectives to correct or enhance a performance
protein synthesis -transcription Location: Nucleus (in eukaryotes). Process: A gene's DNA sequence is copied into a messenger RNA (mRNA) molecule. Outcome: An mRNA strand carrying the genetic code leaves the nucleus for the cytoplasm.
protein synthesis -translation Location: Ribosome (in cytoplasm). Process: Ribosomes read the mRNA codons (three-nucleotide sequences). Transfer RNA (tRNA) molecules bring specific amino acids that match the mRNA codons. Outcome: Amino acids are linked by peptide bonds to form a poly
protein synthesis -key players DNA: The master blueprint for protein sequence. mRNA (Messenger RNA): Carries the DNA code from the nucleus to the ribosome. Ribosome: The cellular machinery where protein assembly happens. tRNA (Transfer RNA): Brings the correct amino acid to the ribo
Epithelial Tissue Covers body surfaces, lines cavitites, forms glands ie; skin, lining of the digestive tract, airways
Connective Tissue supports,, protects, binds other tissues, has cells in an extracellular matrix ie; bone, cartilage, blood, fat, tendons, ligaments.
Muscle Tissue contracts to produce movement ie; skeletal(voluntary), smooth (involuntary) cardiac
Nervous Tissue transmits information via electrical signals. ie; brain, spainal cord, nerves
Created by: joanagregorio
 

 



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