All amino acids have a similar structure. which component is responsible for the differences in the 20 amino acids

a: the carboxlyic acid

b: the r group

c: the central form

d: the amine group

Which pedigree symbol is used to represent a female carrier of a recessive x-linked trait? поө0 || save and exit submit

Give two examples of what would occur if one of the pairs did not match or had an extra chromosomes. explain how this might occur, and if it would be dangerous to the individual. fast.

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.