Plzz me with these questions (15pts)1. in mrna, always forms hydrogen bonds with cytosine (c).2. the amino acid is represented by the codon agu. (use the chart below)3. and are codons for phenylalanine. (use the chart below)4.proteins are made up of a building blocks called

The embryos of a bird, a reptile, and a mammal are similar in appearance. how does comparing the physical appearance of embryos of different species support the theory of evolution? a. it shows that these organisms share a common ancestor. b. it provides evidence that these organisms eat the same foods. c. it shows that these organisms share the same habitat. d. it provides evidence that these organisms suffered a genetic mutation.