Measurements of the amount of DNA per nucleus were taken on a large number of cells from a growing fungus. The measured DNA levels ranged from 3 to 6 picograms per nucleus. In which stage of the cell cycle did the nucleus contain 6 picograms of DNA?
A) G0
B) G1
C) S
D) G2
E) M
Answer: D
You might also like to view...
Transpiration occurs in:
a. the atmosphere. b. terrestrial plants. c. the ocean. d. groundwater. e. bacteria
The ____ are limited to three groups of proteobacteria
a. chemoautotrophs only b. chemoheterotrophs c. photoautotrophs d. photoheterotrophs only e. chemoautotrophs and photoheterotrophs
The photos of the Muir Glacier taken in 1941 (left) and 2004 (right) demonstrate the consequences of____
a. deforestation b. biological magnification c. acid rain d. ozone destruction e. global climate change
What were the long-term responses of each population following the removal of the mice? a. At about year 40, the deer mice population began to re-establish, but then crashed quicklyafter that
b. At about year 40, the deer mice population began to re-establish, and quickly grew back to itsoriginal population size. c. There was no apparent impact on any other population size. d. Both b and c above.