Porque se considera a la membrana plasmatica una membrana selectiva?

Across of blue x blue (both heterozygous) would result in

Which of these is one of the nitrogenous bases in dna? a. proline b. leucine c. glycine d. thymine

Prior knowledge can be gained from personal experience and a) forming well-developed hypotheses. b) listening to opinions of other people on a topic. c) researching previous experiments and results on a topic. eliminate d) no other methods. it can only be gained by personal experience.