DNA helicase and topoisomerase are similar insofar as they promote the unwinding and uncoiling of DNA.

Answer the following statement true (T) or false (F)


True

Biology & Microbiology

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Supertasters for the chemical PTC are ____ for the trait

a. homozygous dominant b. heterozygous c. homozygous recessive d. either homozygous dominant or homozygous recessive e. either homozygous dominant or heterozygous

Biology & Microbiology

What is the function of the ampr gene in a plasmid vector?

A) It provides several unique restriction enzyme recognition sites for opening up the plasmid. B) It allows a researcher to separate bacterial cells with a plasmid from those without a plasmid. C) It contains an origin for replication of the bacterial chromosome. D) It allows a researcher to distinguish plasmids with an insert from those without an insert. E) It is required for packing plasmid DNA into bacteriophage heads.

Biology & Microbiology

All EXCEPT which of the following is true of the

spinal cord? a. houses connections between sensory and motor neurons b. serves as a reflex center c. its gray matter serves as passageway for nerve tracts to brain d. is covered with meninges e. is enclosed by vertebrae

Biology & Microbiology

Which is a product from the first reaction of the citric acid cycle?

a. ATP b. NAD+ c. citrate d. phosphate e. acetyl-CoA

Biology & Microbiology