Which of the following would cause an error in DNA replication? A. DNA ligase connecting chunks of DNA
B. DNA polymerase pairing A with G
C. DNA polymerase checking the DNA
D. Helicase making a replication fork

Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.

What does polymerase chain reaction (pcr) do? o a. separates dna fragments by size o b. cuts a dna sample into fragments o c. provides an overall picture of a person's chromosomes o d. makes more copies of a sample of dna

What might explain the real-world results, show in the graph to the right, for one class of twenty students? check all that apply.