The movement of carbon from CO2 in the atmosphere to HCO3 - (a byproduct of chemical weathering) on rocks to CaCO3 in coral skeletons and finally CaCO3 in limestone are all steps in the _____________
A. short-term carbon cycle
B. nitrogen cycle
C. sulfur cycle
D. long-term carbon cycle
D
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Four of the five sugars listed below are related as
members of the same subgroup. Select the exception. a. lactose b. sucrose c. maltose d. table sugar e. fructose
What stage is it when replication occurs in a cell?
What will be an ideal response?
The human population will be in the stable equilibrium phase when the number of births ____ the number of deaths.
A. is greater than B. equals C. is less than D. is half
Which of the following statements about Neisseria gonorrhoeae is FALSE?
A) It causes disease in humans only. B) The gonococci stick to epithelial cells via fimbriae and capsules. C) The gonococci secrete a protease that destroys secretory IgA. D) The gonococci induce lasting immunity. E) Infected women are often asymptomatic.