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Midterm Flashcards

QuestionAnswer
The Node of Ranvier helps conduct an electrical signal faster along the myelinated fiber. True or False True
The immune response tries to fight against an infection. This is an example of. Positive feedback loop
What is the significance of cholesterol in the cell membrane? It stabilizes the membrane
DNA is a manual instruction of life, but DNA mutation does not affect an individual. True or false. False
Match the base pairing go the DNA molecules___ AGTCGCTAG TCAGCGATC
Does molecules moving from low concentration to high concentration needs energy? Yes, this is considered active transport, requiring energy (ATP)
Which layer of the skin gets slough off? Stratum corneum
Patients who are bed bound with have the same bone density as the healthy and active patient. True or False. No, because bed bound patients do not get mechanical stress.
Explain the mechanism of negative feedback loop When sensory senses a change in this sends signal to our brain and our body will try to correct or opposed the changed.
Give an example of negative feedback loop When blood sugar is high, the pancreas will release a natural insulin to bring the blood sugar to normal levels.
Explain the importance of the skin Our skin is the first line of defense, it is water proof and act as protective barrier, preventing harmful substances from entering our body
Created by: kimnarag
 

 



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