What is the effect of a nonsense mutation in a gene? what is the effect of a nonsense mutation in a gene? it introduces a premature stop codon into the mrna. it has no effect on the amino acid sequence of the encoded protein. it changes an amino acid in the encoded protein. it alters the reading frame of the mrna. it prevents introns from being excised?

Explain why it’s important for scientists to study the sun. list at least two challenges researchers face when examining earth’s nearest star.

Anonnative species is best described as a species that a. does not normally live in an area b. has no permanent home c. is a poor predator d. increase biodiversity

Baroreceptors in the aortic arch and carotid bodies are mechanoreceptors that respond to the stretch that occurs in these arterial walls with changes in blood pressure. if pressure changes rapidly, the baroreceptors initiate a feedback mechanism that reduces blood pressure; however, if pressure changes slowly, as in developing hypertension, the receptors do not respond. given this information, the baroreceptors are most likely which type of receptor?