A symbiotic relationship between a phage and a bacterium apparently occurs in the process of lysogeny
Indicate whether the statement is true or false
TRUE
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Which of the following order of events is most accurate for activation of G-protein coupled receptor (GPCR) signaling pathways?
A. Hormone binds GPCR, GPCR binds with G protein, G protein loses GDP and gains GTP, G-protein alpha subunit activates intracellular proteins. B. Hormone binds GPCR, G protein loses GDP and gains GTP, GPCR binds with G protein, G-protein alpha subunit activates intracellular proteins. C. Hormone binds GPCR, GPCR binds with G protein, G-protein alpha subunit activates intracellular proteins, G protein loses GDP and gains GTP. D. Hormone binds GPCR, G protein loses GDP and gains GTP, G-protein alpha subunit activates intracellular proteins, GPCR binds with G protein. E. GPCR binds with G protein, hormone binds GPCR, G protein loses GDP and gains GTP, G-protein alpha subunit activates intracellular proteins.
Increased exposure to UV radiation is expected to increase rates of __________ in humans
a. cataracts b. glaucoma c. psoriasis d. shingles e. alopecia
What evolutionary advances are demonstrated in the nervous systems of bilaterally symmetrical animals? What will be an ideal response?
You are studying the affects of transcription factors on the activation of gene expression. However, when first starting your study, you notice that some of the transcription factors bind further away from the DNA that it is aiming to transcribe. What description best explains this?
A. The transcription factor transcribes small RNAs that then bind to the promoter and activate the gene's expression. B. The assistance of RNA looping moves the transcription factor closer to the promoter. C. DNA looping transports the transcription factor closer to the promoter and initiates gene transcription. D. Signals originate via inducers from the transcription factor to the site of promotion that activate transcription of the gene.