During the winter you become sick with the flu. shortly after that, you become sick with strep throat. will the same type of b-cells that fought the pathogen that caused the flu fight the pathogen that causes strep throat?
a
yes. every b cell is capable of fighting every pathogen with which it comes in contact.
b
yes. b cells recognize similar antigens such as bacterial and viral pathogens.
c
no. b cells fight viruses while t cells fight bacteria.
d
no. each b cell is capable of recognizing one specific antigen.

Which statements best describe the differences or similarities between a comparative investigation and an experimental investigation? check all that apply. experimental investigations are best for showing cause-and-effect relationships, while comparative investigations do not necessarily show this type of relationship. comparative investigations are often impractical and unrealistic, while experimental investigations are the most practical and realistic kinds of investigations. comparative investigations allow for the use of a wide range of variables but do not have a control group, while experimental investigations involve variables that can be controlled. both experimental investigations and comparative investigations are designed to answer scientific questions. both experimental investigations and comparative investigations focus on making observations rather than collecting new data.