What does the Calvin cycle do? Uses 6CO2 to make a six carbon sugar
Uses 602 to make a 6 oxygen sugar
Uses 6CO2 to make 2 3-carbon sugars
Uses 3CO2 to make a 3-carbon sugar

Which of these is not a function of some membrane proteins ? a.allowing polar molecules to enter the cell b.recognizing other types of cells c.receiving messeges from other cells b.carrying messages to oher cells

Groups of organisms with low biotic potential, such as gray whales, that produce at most one offspring every other year a) are r-selected b) are k-selected c) are not subject to density-dependent limiting factors d) show the initial stages of the extinction process e) have escaped from the processes of natural selection and adaptation

Mention true or false : a) cholera is marked by acute diarrhea and no urination. b)mosquitoes are the source of dysentery germs.