__________ is the conversion of grassland or
woodland to desert-like conditions. Fill in the blank(s) with the appropriate word(s).
Answer: Desertification
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Creatine phosphate (marketed as "creatine") is a popular supplement taken by weightlifters and other athletes. What might the phosphates in this supplement be expected to do?
A) They readily allow for the regeneration of ATP. B) They break down glucose during the citric acid cycle. C) They accept electrons at the end of the electron transport chain. D) They ensure ATP is never broken down into ADP.
The process of filtration in the glomerulus is driven by
a. active transport.
b. blood pressure.
c. osmosis.
d. dialysis.
e. sodium-potassium pumps.
The Endosymbiosis theory best describes the origins of peroxisomes in eukaryotes.
Answer the following statement true (T) or false (F)
How are G1 and G2 different?
A. The cell spends much more time in G2 than in G1. B. The cell does not grow during G1 but doubles its organelles in G2. C. In G1, the cell prepares to synthesize its DNA and in G2, it synthesizes the proteins needed for cell division. D. The cell copies its DNA during G1 but not G2. E. Mitosis occurs during G1 but not during G2.