Ashort segment of an mrna molecule is shown below. the polypeptide it codes for is also shown: 5′-auggugcugaag-3′: methionine-valine-leucine-lysine assume that a mutation in the dna occurs so that the fourth base (counting from the 5′ end) of the messenger rna now reads a rather than g. what sequence of amino acids will the mrna now code for? (you do not need a copy of the genetic code to answer the question.)

For the strategies below, decide whether they are best described as demand-side solutions or supply-side solutions to meeting human needs for fresh water. remember that a demand-side solution reduces demand for fresh water, whereas a supply-side solution increases the supply of fresh water. (a) damming a river to create a reservoir (b) desalinating seawater (c) a nation invading a neighboring country to access their rivers (d) raising water prices for consumers and businesses (e) providing tax breaks for companies that use less water (f) replacing inefficient irrigation with more-efficient drip irrigation to grow crops (g) requiring low-flow showerheads in all new homes