True or False? In creating a functional TCR, the T cell uses the identical set of V, D, and J segments that the B cell uses in creating BCR, but the cells use different C segments.

How are gene and protein sequences used to classify organisms?

When a gasoline engine burns gasoline, what type of chemical reaction is occurring?

Cladistics is a way of classifying organisms by examining the characteristics of their ancestors and descendants and depicting the relationships in a cladogram. which of the following best describes a challenge in classifying organisms this way? a. there are millions of species on earth, and a cladogram is not a practical means for classifying all of them. b. it is impossible to tell which organisms are most closely related to each other using a cladogram. c. cladograms are detail-oriented and do not provide a useful understanding of evolutionary relationships. d. there is a limited number of ways to organize the information, so most cladograms end up looking very similar.