In this example the marker dna includes fragments that have 23,130, 9,416, 6,557, 4,361, 2,322, 2,027, and 564 base pairs. approximately how many base pairs are in the dna fragment indicated by the letter a?

What is the number of phosphates in an atp molecule

If a grape were placed in a hypertonic solution what would happen and why?

Select the correct answer from each drop-down menu. the lac operon in e. coli regulates genes that code for enzymes required for breakdown of lactose. the lac operon is operon that is activated in the presence of .