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Astrid Casillas

Physiology Midterm

Define Homeostasis is when an organism is able to maintain a stable internal environment such as temperature without changing its external environment
What are the elements all proteins have? carbon, oxygen, hydrogen, nitrogen
What are the subunits of nucleic acid? sugar, nitrogen base, phosphate bond
What is an enzyme? A protein that acts as a catalysts
What is a condon? a sequence of three base pairs in a DNA molecule
What is hyerpolarization? it is the movement of the membrane potential away form zero
Define stimulus-gated channel it is an ion channel that opens when it responds to a sensory stimulus
What are the classes of neurotransmitters? Amino acids, amines, neuropeptides
What is the energy required for muscular contraction that is gained by hydrolysis? ATP
How does lactate form? Anaerobic or aerobic respiration? Lactate acid forms with the result of anaerobic respiration due to incomplete catabolized molecules
Created by: user-1990852
 

 



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