Write about some ways to prevent any contamination in lab while making sub-cultures.
What will be an ideal response?
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During a microarray analysis, cDNAs made from normal cells are stained with a green fluor and cDNAs from
abnormal cells are stained with a red fluor. Which of the following statements is true about the results of this experiment?
a. Red spots indicate genes that are under expressed in abnormal cells. b. Red spots indicate genes that are not expressed in abnormal cells. c. Red spots indicate genes that are overexpressed in abnormal cells. d. Red spots indicate genes that are overexpressed in normal cells. e. Red spots indicate pseudogenes.
The amount of rain an area gets is part of an organism's
A. biotic factors. B. abiotic factors. C. community. D. succession.
A lack of a functional TP53 gene __________.
a) causes a cell carrying damaged DNA to be destroyed b) causes a cell carrying damaged DNA to fail to be destroyed c) will allow genetically unstable cells to continue to divide d) will stop genetically unstable cells from dividing
Cells that are ________ possess a single set of chromosomes
A) haploid B) diploid C) somatic D) zygotes