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sabrina carrillo

physiology week 1-6

Which level of control operates at the cell level, often using genes and enzymes to regulate cell function? intracellular regulation
To accomplish self-regulation, a highly complex and integrated communication control system or network is required. This type of network is called feedback control loop
The impact of effector activity on sensors may be positive or negative. Therefore, homeostatic control mechanisms are categorized as organs that are directly influenced by physiological variables or mechanisms.
In base pairing of DNA molecules, _____ is bound to _____. Correct! adenine; thymine
Osmosis can be defined as the net movement of water molecules from a region of lower solute concentration to a region of higher solute concentration.
Replication of DNA occurs in which phase of interphase? S phase
Which skin layer has cells that look prickly because of the desmosomes that join the cells together? Stratum spinosum
The four kinds of protein that make up myofilaments are myosin, actin, tropomyosin, and troponin.
Three phases of the twitch contraction are the latent period, contraction phase, and relaxation phase.
Which structure allows the electrical signals to travel along the sarcolemma and move deeper into the cell? transverse tubule
Which type of movement occurs between the carpal and tarsal bones and between the articular facets of adjoining spinal vertebrae? gliding
According to the sliding filament theory actin moves past myosin.
The energy required for muscular contraction is obtained by hydrolysis of ATP
Synarthrotic joints are immovable.
Anaerobic respiration results in the formation of an incompletely catabolized molecule called Correct! lactate .
Created by: sabrina111
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