explain account for the difference in oxygen concentration that would be found on the either side of the double membrane​

Draw the structure of dna nucleotide with adenine as nitrogenous base

20. in humans, freckles are dominant to no freckles. trey has no freckles and his wife anna grace has freckles, but her dad doesn't. they want to know what percentage of their kids would look like trey. show a punnett square to support your answer.

Imagine you are introducing the lac operan and the trp operon to students who have never learned about it before. complete the table to compare the similarities and differences between the two operons