AP Biology Molecular Biology

Who discovered that bases between different species are varied? 

In an operon, a sequence of DNA where RNA polymerase begins transcription

Random Science Trivia: How old is the Earth?

In DNA replication, which occurs first? 

The pink ribbon-like structure is

Used to reattach sticky ends in a plasmid and to attach Okazaki fragments to each other

The manipulation of organisms or their components to make useful products is known as

An amino acid deficiency in an organism is most likely to affect 

In the structure below, what is B? 

Amino acid tryptophan is added to the agar the E.coli are growing on, the trp operon will be

DNA that contains genes from more than one source

Used to make DNA fingerprints after the DNA has been cut apart

In the structure below, what is D? 

Dark staining body in the nuclei of female mammals that contains a inactive X chromosome

Which strand of this DNA molecule would be the lagging strand? 

Used to make bacteria that will then synthesize multiple copies of a gene product

Restriction enzymes cut DNA to protect bacterial cells from

In an analysis of the nucleotide composition of DNA, which of the following will be found

A transcription unit in a prokaryote is called

DNA wrapped around histone proteins

Used to make multiple copies of DNA

Which strand would finish replication the fastest? 

In DNA replication, what enzyme unzips the double helix? 

Used to cut DNA apart

Group of structural and regulating genes that functions as a single unit

Carcinogens

What is the orientation of DNA strands? 

Small, circular DNA molecules from bacteria are called...

In the structure below, what is A?