You are interested in studying the function of a gene, so you decide to create point mutations to help you identify important residues in the encoded protein. In the following set of triplet codons, two nucleotides are underlined, which nucleotide should be mutated to achieve your goal and why? Be specific. 5′-ATG CCC TGG AAC CTG-3′

2. how does the miller-urey experiment fall short of demonstrating that life can arise from inorganic molecules? explain. a. it doesn't show a leap between a collection of amino acids and a single-celled organism. b. it recreates the conditions that existed at the earth's beginning, but no molecules form as a result. c. it doesn't provide evidence of the formation of amino acids. d. it doesn't show how multicellular organisms developed from unicellular organisms

The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes

What is the most abundant vertebrate on earth?