Dna is made of two chains of nucleotides. which type of bonds hold the chains together?

The questions below will determine which restriction enzyme should be used to make a plasmid that contains both an intact vgp gene and a functional ampr gene. answer questions 1–4 by selecting from the answer choices on the left. drag the correct answer to the right of each question.

Which property is characterized by the ability to bend? a lustrous b conductive c malleable d opaque

Which is an important function of normal flora? a. aid with bone marrow production. b. crowd out pathogenic bacteria. c. destroy digestive track pathogens. d. manufacture iron in the bloodstream.