Describe which organ systems you think would be involved in maintaining homeostasis when a person is giving a speech or presentation. include what may be happening within the person just before, during, and after the speech.

Cells must be in osmotic equilibrium with their surroundings environments because if they swell or shrink thier membranes will rupture

We all have different forms of genes from our parent(s).what are these different forms called? a. alleles b. characters c. dna d. resources

You are studying a protein that you call protein x. there is an aspartic acid at a key position in protein x which is important in the folding and stabilization of that protein. if this aspartic acid is changed to a different amino acid, which type of amino acid substitutions is most likely to allow the protein to fold normally?