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Which one of the following is an example...

Which one of the following is an example of negative feedback loop in human?

A

Constriction of skin blood vessels and contraction of skeletal muscles when it is to cold

B

Secretion of tears after falling of sand particles into the eye

C

Salivation of mouth at the sight of delicious food

D

Secretion of sweat glands and constriction of skin blood vessels when it is too hot

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  12. What is true about ribosomes?

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  13. Which of the following statements are true regarding DNA polymerase us...

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  14. Continous addition of sugars in 'fed batch’ fermentation is done to:

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