Which of the following would occur from a mutation in the gene's promoter region?
A. The sequence of the mature mRNA would change.
B. The ability of pre-mRNA to be properly spliced would change.
C. The ability of mRNA to be translationally regulated would change.
D. The amino acid sequence of the translated protein would be altered.
E. The rate of transcription may increase or decrease.
E. The rate of transcription may increase or decrease.
You might also like to view...
Dendritic cells are phagocytes with antigen-presenting properties
Indicate whether the statement is true or false.
A mutation in which the fate of cell lineages is not synchronized in an organism is called a ____
A. heterochronic mutation B. apoptotic mutation C. homeotic mutation D. homeobox mutation
Major extinctions of dinosaurs are associated with large meteor impacts, including the final extinction that wiped them out at the Cretaceous-Tertiary boundary. The particulate matter that would have arisen as a result of impact would have entered the atmosphere and had secondary impacts. Some scientists believe that a fundamental difference between mammals and dinosaurs allowed mammals to survive this event, but doomed the dinosaurs. What may have characterized the last generation of dinosaurs as they went extinct?
A. Lungs clogged with dust. B. Highly skewed sex ratios. C. Hormonal disruptions due to contaminated water. D. Weak eggshells due to radiation. E. Inability to recognize mates due to diminished sunlight. Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about dinosaurs? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Amniocentesis and chorionic villus sampling allow for ________ and ________ of the fetus so that it can be tested for abnormalities
A) imaging; karyotyping B) sexing; imaging C) karyotyping; biochemical testing D) direct observation; biochemical testing