cell junctions - answer✔Tight junctions, Acheron's junctions, gap junctions
Tight junctions - answer✔Membranes of neighboring cells are pressed together at intermediate
filaments
Acheron's junctions - answer✔Link actin between cells
gap juncitons - answer✔Act as barriers
Diffusion - answer✔No additional energy, without a mediator or with a channel or carrier
facilitated diffusion - answer✔Use carrier proteins, no additional energy required, rate of
diffusion limited by Vmax,
Smooth ER - answer✔lipid synthesis
Rough Er - answer✔protein synthesis
Feed forward - answer✔anticipates change, heartbeat increasing before exercise
Membrane protein - answer✔Provide specificity and function to membrane, carrier proteins
transport molecules across the membrane, conformational change allow ions to go through
integumantary system - answer✔Maintain structural barrier
nervous system - answer✔CNS - brain stores info, response to stimuli
SNS. - receptors detect state of body and surroundings
Autonomic nervous system - heartbeat, secretions, GI tract, INVOLUNTARY
Thyroid hormone - answer✔Metabolism
Insulin - answer✔Glucose regulation
Adrenocorticotropic hormone (ACTH) - answer✔Ion and protein metabolism
parathyroid hormone - answer✔Bone metabolism
Barroreceptors - answer✔In neck and thorax, impulses when BP too high
Initiation step - answer✔TRNA binds to 5' end, moves till stop codon
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