where do you think the scientists in this study will find the nitrogen isotope from the amino acids the rats eat?

Describe the primary and secondary immune response in terms of speed and number of antibodies produced?

Select the correct answer from each drop-down menu proteins are

Homo heidelbergensis was a tall, muscular hunter, who used both tools and weapons. because h. heidelbergensis was not a gatherer/forager, but ate a varied diet including meat and fish, we would expect to see what anatomical changes?