80. Compare and contrast positive and negative feedback. Provide one difference
ID: 3504935 • Letter: 8
Question
80. Compare and contrast positive and negative feedback. Provide one difference and on similarity between the two types.82. A chemical bond that involved the sharing of electrons between atoms is
83. When energy is conveyed from one form to another
88. Which layer of serous membrane covers the outside of the organ walls of the cavity
91. A compound is a molecule composed of one type of element only. True or false
95. A solution that resists a change in pH when acid or base is added to it is called
80. Compare and contrast positive and negative feedback. Provide one difference and on similarity between the two types.
82. A chemical bond that involved the sharing of electrons between atoms is
83. When energy is conveyed from one form to another
88. Which layer of serous membrane covers the outside of the organ walls of the cavity
91. A compound is a molecule composed of one type of element only. True or false
95. A solution that resists a change in pH when acid or base is added to it is called
82. A chemical bond that involved the sharing of electrons between atoms is
83. When energy is conveyed from one form to another
88. Which layer of serous membrane covers the outside of the organ walls of the cavity
91. A compound is a molecule composed of one type of element only. True or false
95. A solution that resists a change in pH when acid or base is added to it is called
Explanation / Answer
Ans 80. Positive feedback
There is a positive correlation between the stimulus and the product.
It enhances change or the original stimulus.
Ex . During childbirth, oxytocin is released which helps in contractions. Intense contractions leads to more release of oxytocin, until the baby is born.
Negative feedback
There is a negative correlation between the stimulus and the product.
It resists change or the original stimulus.
Ex. Control of blood sugar by insulin.When blood sugar rises, the pancreas releases insulin. The insulin lowers the blood glucose level , bringing homeostasis to the system.
Ans 82. Covalent bonds.
Ans83. Energy transformation
Ans88. Visceral layer
Ans91. False
Ans95. Buffer solutions.
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