Which of the following occurs during meiosis?
A) Diploid nuclei with unpaired chromosomes are produced from haploid parent nuclei with paired chromosomes.
B) Haploid nuclei with paired chromosomes are produced from diploid parent nuclei with unpaired chromosomes.
C) Diploid nuclei with paired chromosomes are produced from haploid parent nuclei with unpaired chromosomes.
D) Haploid nuclei with unpaired chromosomes are produced from diploid parent nuclei with paired chromosomes.
D
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The microbiologist receives a sputum specimen for culture in the microbiology laboratory. Upon receipt the microbiologist should:
a. complete the set-up of media for identifi-cation of pathogens. b. complete a direct Gram stain and prelimi-nary report. c. complete an abbreviated work-up of the specimen. d. complete a culture and definitive identifi-cation of pathogens.
Based on the experimental design, which variable was the dependent variable?
A. Germination rate B. Type of light C. Seeds in the dark D. Moisture E. Temperature
In the above figure, which of the following
would have a haploid number of chromosomes? a. A b. B c. C d. D e. C and D
Viruses can be used to identify bacteria because of viral specificity for a host cell. This identification method is called ________.
A. ELISA B. immunochromatography C. phage typing D. probing