#Question id: 5017
#Unit 11. Evolution and Behavior
Arrange these events from earliest to most recent.
1. emission of lava in what is now Siberia at time of Permian extinctions
2. emission of lava that solidified at the same time as iron-bearing terrestrial rocks began to rust
3. emission of lava that solidified at the same time as rusted iron precipitated from seawater
4. emission of lava in what is now India at time of Cretaceous extinctions
#Question id: 4690
#Unit 3. Fundamental Processes
Which of the following of the cleavage enzymes of rRNAs and tRNA is a ribozyme?
#Question id: 21183
#Unit 13. Methods in Biology
This PCR have mixtures of similar oligonucleotides that are used in a PCR to amplify unknown sequences of DNA, related to a known DNA sequence is
#Question id: 5250
#Unit 8. Inheritance Biology
A researcher would like to map the location of galE and trpA genes in a new species of bacterium that appears to be closely related to E. coli. He decides to use cotransduction, and generatesnappropriate donor and recipient strains. He is disappointed when cotransduction is not seen in his experiement. What is the most reasonable explanation for this situation?
#Question id: 4912
#Unit 8. Inheritance Biology
Correns described that the inheritance of variegated color on the leaves of certain plants was determined by the maternal parent only. What phenomenon does this describe?