What occurs during stage 3 of labor?
A. The amniotic sac ruptures.
B. The cervix dilates.
C. Effacement occurs.
D. The placenta is expelled.
E. The baby is born.
Answer: D
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Catabolism
What will be an ideal response?
Analysis of the genome and transcriptome of the highly radiation resistant bacterium Deinococcus radiodurans has revealed all of the following EXCEPT ________.
A. it has more DNA repair genes than E. coli B. genes whose products are involved in cell wall metabolism and cellular transport are dramatically up-regulated after irradiation C. its genome consists of two circular chromosomes and two plasmids D. genes whose products are involved in DNA replication and recombination are dramatically up-regulated after irradiation
The property of a test to detect only a certain antibody or antigen, and not to react with any others, is
A.) cross-reactions B.) agglutination C.) precipitation D.) specificity E.) sensitivity
Which of the following is a normally correct base pairing in transcription?
A. (DNA)A...U(mRNA) B. (mRNA)C...G(tRNA) C. (DNA)U...A(mRNA) D. (DNA)A...T(tRNA)