What specifically separates during meiosis II?
A) Homologous chromosomes
B) Sister chromatids
C) The cytoplasm
D) The genome
B
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In cancer cells one allele of the tumor suppressor gene p53 is frequently mutated so that the protein is inactive, not produced, or deleted
The other allele will usually have a normal sequence and the promoter remains intact but the gene is not expressed. Sequencing with sodium bisulfite modification of DNA can be used to detect which cytosines are methylated. If the cancer cell DNA is sequenced what would be the anticipated results? A. Cytosines in or near the promoter region will be methylated B. Cytosines in or near the promoter will not be methylated C. Cytosines in the coding region will have an increased mehtylation D. There will be no differences in the methylation pattern of the promoter of p53 from a cancer cell and a normal cell
In certain algae and in most ascomycete fungi, the nuclei in the cells present in the majority of their life cycle are in the _____ condition
A. Diploid B. Haploid C. Triploid D. Tetraploid
The sputum of a patient with acquired immunodeficiency syndrome (AIDS) is stained with Kinyoun's carbolfuchsin stain. Which organism would test positive using this stain?
a. Streptomyces spp. b. Pneumocystis jiroveci c. S. aureus d. Cryptosporidium spp.
While touring the ancient Egypt exhibit at the local history museum, you learn that ancient Egyptians would slash figs in order to stimulate ripening. Based on your knowledge of plant hormones you hypothesize that wounding the figs must release:
A. ethylene. B. gibberellin. C. abscisic acid. D. cytokinin. E. indoleacetic acid.