Knockin mice can be created using the Cre/loxP system. In this procedure, the loxP sites are used to
A) delete the neomycin-resistance marker gene.
B) recombine the mutation into the genome.
C) express Cre protein.
D) flip the orientation of genomic DNA after the mutation is inserted.
A) delete the neomycin-resistance marker gene.
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The Calvin cycle and light-harvesting reactions are separated in __________
A. time B. space C. time and space D. different organelles E. None of the answer options is correct.
Most hospitals in the United States routinely test all newborns for this autosomal recessive disorder
where an enzyme in amino acid metabolism is not produced, leading to a buildup of compounds that damage brain tissue and can lead to mental retardation unless a restricted diet is followed.
a. Duchenne muscular dystrophy b. phenylketonuria c. achondroplasia d. sickle-cell anemia e. cystic fibrosis
The subatomic particle(s) with a negative charge
is(are) a. the neutron. b. the proton. c. the electron. d. both the neutron and proton. e. both the proton and electron.
Which of the following statements concerning cancer
cells is most accurate? a. Oncogenes are part of the regulatory section of a chromosome. b. Tumor cells have lost their inhibition to stop dividing. c. Oncogenes help control runaway cell division. d. Benign tumors usually spread to other body parts. e. Metastasis is the spread of benign tumors.