30. o. Determination refers to a the pathway to terminal specialization in a dev

Question

30. o. Determination refers to a the pathway to terminal specialization in a developing cell. b. the tissue specific gene expression of a cell. e the capacity of a cell to become any cell type. d. the positional information that control body formation. 31. Eukaryotic gene regulation does NOT occur a. by altering the DNA structure. b. by altering the molecules in specific tissues that are required for transcription. c. by using products in a pathway to regulate that pathway. d by controlling mRNA half-life. e. can occur in any of these scenarios. 32. Prokaryotes use operons to a increase the efficiency of their chromosomes by limiting the number of promoters. b. co-regulate and express multiple genes that are involved in a common pathway. c. make really long mRNAs because transcription happens in the cytoplasm. d. replace the more complex elements of regulation in eukaryotes e. methylate their DNA. 33. Gene regulation plays a role in the development of cancer when a differentiated cells undergo apoptosis. b oncogenes are deactivated and become dangerous. e. when normal cell morphology is lost. d. when normal functions of proto-oncogenes is lost. a when our immune svstem fails

Explanation / Answer

30. B) the tissue specific gene expression of a cell

Cell determination is the process through which different genomic portions would be selected such that these would be able to express in different cells of the embryo. This results in developmental decisions that would be slowly restricting the fate of the cells.

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