Which of the following statements is TRUE?
A) There are at least thirty complement proteins.
B) All of the complement proteins are constantly active in serum.
C) Factors B, D, and P cause cytolysis.
D) Complement activity is antigen-specific.
E) Complement increases after immunization.
A
You might also like to view...
The theory of chromosomal inheritance was first proposed by
A. Mendel. B. Morgan. C. Knight. D. Sutton. E. Stern.
Diversification of mammals after the extinction of the dinosaurs is considered an adaptive radiation because a few mammal species rapidly evolved into most of the current mammalian lineages in a relatively short amount of time. This diversification was partially driven by the evolution of endothermic homeostasis in mammals, which is an example of
A. allopatric speciation. B. reproductive isolation. C. a key innovation. D. hybridization. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about adaptive radiation? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
In science, a theory is defined as
a. a speculative guess. b. a hypothesis. c. an explanation that is well documented and consistent with the evidence. d. a description of a phenomenon for which there is no explanation. e. a personal conviction.
Dehydration synthesis is a common feature of polymer production in cells.
Answer the following statement true (T) or false (F)