Which of the following causes opportunistic infections in AIDS patients?
A) Pneumocystis
B) Aspergillus
C) Rhizopus
D) Mucor
E) All of the answers are correct.
E
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Evidence for the endosymbiotic theory does NOT include which of the following?
a. DNA in prokaryotes, mitochondria, and chloroplasts is arranged in a single, circular genome. b. Endocytosized cells have been directly observed to survive in the cytoplasm of the host cell. c. Endocytosized organelles have been directly observed to survive in the cytoplasm of the host cell. d. Fossils of prokaryotic cells in the process of endocytosizing cyanobacteria have been discovered. e. There are some rRNA sequences that are similar between prokaryotes, mitochondria, and chloroplasts.
A parent cell with 12 chromosomes will produce daughter cells with _____ chromosomes by mitosis
a. 48 b. 24 c. 12 d. 6 e. 3
Imagine a cell entered mitosis but was unable to make microtubules. At what stage of mitosis would it remain? What will be an ideal response?
Two sister chromatids are held together at the
A. autosome. B. telomere. C. centromere. D. spindle. E. aster.