#Question id: 12252
#Unit 10. Ecological Principles
In a study of interactions between plants, ants and caterpillars, the following experimental treatments were imposed: i) Control (both ants and caterpillars are present); ii) Ant removal; iii) Caterpillar removal; iv) Ant and caterpillar removal. Plus (+) indicates presence and minus (-) indicates absence on plants. The results for plant performance (growth) from this experiment are shown in the figure below. Plant performance in all treatments were significantly different from each other. Based on these results, which of the following inferences is correct?
#Question id: 7056
#Unit 5. Developmental Biology
In mammalian development, Only trophoblast cells synthesize the transcription factor Cdx2, which:
#Question id: 24580
#Unit 3. Fundamental Processes
If the mismatch is near 5’ then which of the following will degrade strands of DNA in the 3’ → 5’ direction
#Question id: 18863
#Unit 13. Methods in Biology
#Question id: 4018
#Unit 3. Fundamental Processes
How does binding of the lac repressor to the lac operator block transcription initiation?