3. Imagine you were given an unknown dry substance and you added it to water and no matter how much you heated up the water or stirred the unknown substance, it wouldn’t dissolve in the water. What conclusions could you draw about the types of bonds and charges on the substance because it doesn’t dissolve in water?

The use of dna as evidence in criminal investigations became possible because of the

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.

16. which of the following accurately describes a step within transcription? a. dna polymerase uses one strand of rna as a template to put together nucleotides. b. the dna strand is used as a template for which a complementary rna strand can be produced. c. the rna strand forms a template by which dna can be built. d. the rna strand is produced within the cytoplasm.