In snapdragons, FR = red flowers and FW = white flowers. Plants heterozygous for flower color have pink flowers. A cross between two pink-flowered plants will produce ____ red-flowered plants.
A. 100%
B. 75%
C. 50%
D. 25%
D. 25%
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Lactic acid and ethanol fermentation differ in that:
A. FADH2 is oxidized to FADH in lactic acid fermentation, but NADH is oxidized to NAD+ in ethanol fermentation. B. NADH is oxidized to NAD+ in lactic acid fermentation, but FADH2 is oxidized to FADH in ethanol fermentation. C. lactic acid fermentation produces ATP by substrate level phosphorylation, but ethanol fermentation does not. D. ethanol fermentation produces ATP by substrate level phosphorylation, but lactic acid fermentation does not. E. ethanol fermentation produces CO2, but lactic acid fermentation does not.
Chickenpox is caused by the ________ virus.
A. rubella B. rubeola C. varicella D. coxsackievirus B
The pH of human blood falls within a ________ range that is near a pH of 7.4
Fill in the blank(s) with correct word
Chromatin is composed of DNA and special packaging proteins called hopanoids
Indicate whether the statement is true or false