Compare and contrast the independent and dependent variables in an experiment. give an example of each.

Which prevent errors in dna replication? a. helicase enzyme checks the dna for errors. b. each base can attach to only one other type of base. c. ribosome enzymes prevent errors from happening. d. dna contains no complementary base pairs.

What is the best-known carbohydrate?

The transport tubes for food coming down the plants are called?