Gcu Bio-201 Exam 3 Prep Graded A+ (Actual Exam ) Questions And Answers (Solved)

Z line {Ans: A dark thin protein band to which actin filaments are attached in a striated muscle fiber, marking the boundaries between adjacent sarcomeres.}Axolemma {Ans: plasma membrane of axon}M line {Ans: supporting proteins that hold the thick filaments together in the H zone}origin bone {Ans: the proximal end of bone where a muscle attaches. It cannot move.}metabotropic receptors {Ans: receptors that act through a second messenger system with proteins and g proteins}myosin light chain kinase {Ans: enables myosin heads to attach to actin}ionotropic receptors {Ans: receptors that are coupled to ion channels and affect the neuron by causing those channels to open}Tendonitis {Ans: inflammation of a tendon sheath due to overuse}ISPS {Ans: cause hyperpolarization in synaptic membranes, inhibiting the effects of action potentials. Neurotransmitter (NT) causes potassium to move out and chloride to move in.}Electroreceptors {Ans: detect electrical fields IONOTROPIC}Sarcoplasm {Ans: cytoplasm of a muscle cell}synchondroses {Ans: bones united by hyaline cartilage (cartilaginous joints); are NOT freely moveable; in places such as the epiphyseal line}ESPS {Ans: cause depolarization of neurons; promote action potentials. NT causes more LGNa+ channels to open on the postsynaptic membrane.}terminal cisternae