2 - Give the name and structure of the chief alkaloid in tobacco and discuss its...

2 - Give the name and structure of the chief alkaloid in tobacco and discuss its physiological effects. What are the cancer-causing agents in cigarette smoke?

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Expert Solution

The two alkaloeds found in poison hemlock are : Conzzne and Conhydrin

Ingesting less than a tenth of a gnane of coniine can be fatal for adult. It paralyzes muscles with a halfhour, although death may take several hours.

Cell cycle regulated by check points as internal controls enoure that a cell is eady to move an through the cycle eg. that DNA replication is completed before mitosis begins. The cell cycle is also regulated by external signals eg, availability of nutrients for unicellular organisma like yeast. IN multicellular organisms external signals include growth factor and cell - cell contact.

queen_honey_blossom answered 2 years ago

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