Which statement about this diagram is correct?

molecule 2 is dna , which can bond with another dna molecule.

molecule 1 is rna , which contains thymine.

molecule 2 is rna , and it is the only nucleic acid that contains four types of bases.

molecule 1 is dna , which is a double helix.

two molecules, molecule one and molecule two, with molecule one consisting of two strands twisted around each other and held together by colorful pieces which have been identified through key as thymine, guanine, cytosine, and adenine. molecule two is a single spiral strand consisting of uracil, guanine, cytosine, and adenine as per the key.

Keeping in mind the life cycle of bacteriophages, consider the following problem: during the reproductive cycle of a temperate bacteriophage, the viral dna inserts into the bacterial chromosome where the resultant prophage behaves much like a trojan horse. it can remain quiescent, or it can become lytic and initiate a burst of progeny viruses. several operons maintain the prophage state by interacting with a repressor that keeps the lytic cycle in check. insults (ultraviolet light, for example) to the bacterial cell lead to a partial breakdown of the repressor, which in turn causes the production of enzymes involved in the lytic cycle. as stated in this simple form, would you consider this system of regulation to be operating under positive or negative control?

Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?

Types of scientific inquiry that biologist engage in that cannot be completely controlled