The respiratory passageways have smooth muscle in their walls. Which of the following best describes the effect of acetylcholine and epinephrine on the respiratory passageways?

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#Question id: 17085

#SCPH01 Biochemistry

Spontaneous cell fusion occurs at a very low rate. Enhanced fusion can be done by 

1. Sendai virus 

2. Polyethylene glycol

3. Ficol

4. Phenol red

Which of the above mentioned can be used for fusion experiments?

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#Question id: 3639

#SCPH06 I Botany

Replication of a bacterial chromosome normally starts at a fixed point called:

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#Question id: 10976

#SCPH06 I Botany

In a resting adult, the typical ventricular ejection fraction has what value?

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#Question id: 18391

#SCPH28 | Zoology

Detoxification of organophosphate pesticides in the environment is performed by

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#Question id: 14357

#SCPH05 I Biotechnology

Milk is pasteurized if it is heated to 630C for 30 min, but if it is heated to 74°C it only needs 15 s for the same result. Find the activation energy of this sterilization process.  J/mol