#Question id: 19654
#XL - P Chemistry
#Question id: 2658
#XL - T Zoology
This condition in lac operon facilitates the condition of lac genes being transcribed at high levels
#Question id: 1740
#XL - Q Biochemistry
Activation of resting B-cells by T-helper cells depends directly upon costimulatory interaction between:
#Question id: 770
#XL - Q Biochemistry
MicroRNAs contribute to the regulation of gene expression through:
#Question id: 10696
#XL - T Zoology
In a new area two species A and B was discovered and taking energy from another species X and Y respectively. Following some is life history trait of species.
I- A species is often larger than X
II- Each A species taking energy from many X
III- One Y usually supports populations of B species
IV- Fatality of Y is Mild to severe
Which of the following is correct observation of above species?