subject
Biology, 14.12.2020 23:30 graciemonceret6213

When an antigen attacks the body, it activates adaptive immunity. This adaptive immunity produces a strong response when it encounters the same antigen for the second time. Which feature of adaptive immunity is essential for this kind of response? A. the ability to remember the antigen it encounters B. the ability to distinguish between self and nonself antigens C. the ability to produce nonspecific antibodies against the foreign antigen D. the ability to secrete lysozymes against pathogenic antigens

ansver
Answers: 2

Another question on Biology

question
Biology, 22.06.2019 10:00
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.
Answers: 2
question
Biology, 22.06.2019 12:10
What mistake did john needham make that caused him to conclude that spontaneous generation for microorganisms occurred? a. he re-contaminated his boiled broth solutions. b. he destroyed the vital force in the solutions. c. he did not boil his broth solutions, only warmed them. d. he failed to seal his flasks of boiled broth. e. he allowed his assistant to conduct the experiment which he did not monitor closely.
Answers: 2
question
Biology, 22.06.2019 13:30
Which of th following best describes how genes produce traits in an organism?
Answers: 2
question
Biology, 22.06.2019 21:00
Do plants make food in their stems flowers roots or leaves?
Answers: 2
You know the right answer?
When an antigen attacks the body, it activates adaptive immunity. This adaptive immunity produces a...
Questions
question
Mathematics, 08.01.2020 06:31
question
Mathematics, 08.01.2020 06:31
question
Mathematics, 08.01.2020 06:31
question
Mathematics, 08.01.2020 06:31
Questions on the website: 13722363