Explain why the yellow solution in the graduated cylinder became a reddish color after it was incubated in the light with stems of Elodea.
What will be an ideal response?
The Elodea stems began to pull the CO2 and H2O out of the solution. It was the CO2 from students’ breathe that change the solution to yellow (acidifying).
You might also like to view...
The Fe and Mn cycles include
A) reduced and oxidized forms that are very chemically reactive. B) large reservoirs of solid mineral forms that are chemically inert. C) incorporation of Fe and Mn into the exoskeletons of diatoms and other alga. D) toxic forms that can poison aquatic ecosystems if the cycles are imbalanced.
Answer the following statements true (T) or false (F)
1. Kin selection is a form of altruism. 2. Naked mole rats are diploid. 3. Polyandry is the most common mating strategy. 4. Polygyny and polygamy are the same.
An organism that many women carry as part of their normal genital microbial flora that may be transmitted to the neonate during childbirth is:
a. Staphylococcus. b. Escherichia coli. c. S. agalactiae. d. G. vaginalis.
The energy of the electrons passing along the electron transport chain is used to produce ____.
Fill in the blank(s) with the appropriate word(s).