What has constantly changing amount of salt in the water

Explain the physiological changes that occur when the hypothalamus stimulates the sympathetic nervous system. you can make a flowchart or a simple step process. be sure to include all chemicals/hormones secreted, glands involved and the functions of each chemical/hormone.

What is a group of organisms called

Original sequence mrna: cag gga gca uua mutated sequence mrna: cag uga gca uua using the amino acid codon chart, what will happen to this protein sequence if the mutation shown occurs?