PET (positron-emission tomography) scans use radioisotopes attached to what substances to detect

abnormalities?
a. other radioisotopes
b. subatomic particles
c. carbon atoms
d. glucose or other biological molecules
e. plutonium


D

Biology & Microbiology

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The genetic information in DNA is divided into units called

A. genes. B. phenotype. C. genotype. D. proteins.

Biology & Microbiology

A sequence of DNA could have ________ possible reading frame(s).

A) two B) three C) four D) an infinite number of

Biology & Microbiology

A gene that codes for a protein that codes for a function other than gene regulation is a

1.regulatory gene. 2.constitutive gene. 3.structural gene. 4.RNA gene. 5.repressed gene.

Biology & Microbiology

A food ________ results from ingestion of whole microbial cells that target the intestine.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology