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20 Nov 2019
All of the following tissues are found in bases EXPECT: nervous tissue muscle tissue bone dense connective tissue Eclipase tissue The primary function of muscle is: conversion of heat energy into mechanical energy conversion of heat energy into chemical energy conversion of chemical energy into radiant energy, conversion of mechanical energy into heat energy, conversion of chemical energy into mechanical energy. Which of the following does NOT happen during a muscle contraction? The myofiber and the muscle itself shorten. The myosin heads bind to actin. The thick and thin filaments shorten. The sarcomere shortens. The myosin heads pull the thin filaments toward the M line. Myofibrils include structural proteins that decrease the extensibility and elasticity of the myofiber. include structural proteins the turn the contraction process off or on. include the contractile proteins actin and myosin. include regulatory proteins that keep thick and thin filaments in proper alignment. include contractile proteins which stabilize the structure of the sarcomere. Which event must occur first in appositional growth of bone? differentiation of periosteal cells into osteoblasts deposition of bone matrix by osteoblasts formation of concentric lamellae fusion of bone ridges around periosteal blood vessel enclosure of osteoblasts forces them to become ostcocytes
All of the following tissues are found in bases EXPECT: nervous tissue muscle tissue bone dense connective tissue Eclipase tissue The primary function of muscle is: conversion of heat energy into mechanical energy conversion of heat energy into chemical energy conversion of chemical energy into radiant energy, conversion of mechanical energy into heat energy, conversion of chemical energy into mechanical energy. Which of the following does NOT happen during a muscle contraction? The myofiber and the muscle itself shorten. The myosin heads bind to actin. The thick and thin filaments shorten. The sarcomere shortens. The myosin heads pull the thin filaments toward the M line. Myofibrils include structural proteins that decrease the extensibility and elasticity of the myofiber. include structural proteins the turn the contraction process off or on. include the contractile proteins actin and myosin. include regulatory proteins that keep thick and thin filaments in proper alignment. include contractile proteins which stabilize the structure of the sarcomere. Which event must occur first in appositional growth of bone? differentiation of periosteal cells into osteoblasts deposition of bone matrix by osteoblasts formation of concentric lamellae fusion of bone ridges around periosteal blood vessel enclosure of osteoblasts forces them to become ostcocytes
10 Jan 2023
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