Multiple Choice
Suppose that you had a cold last month, and you caught another one this month from your brother. Which of the following explains why you caught a new cold?
A) Your antigen-presenting cells did not recognize the second cold virus.
B) The two cold viruses are significantly different.
C) Memory cells were not formed as a response to the first cold.
D) The antibodies formed as a response to the first cold were degraded.
Correct Answer:

Verified
Correct Answer:
Verified
Q6: Antibody-mediated immunity is also called humoral immunity.
Q27: Match each blood cell life span with
Q90: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5641/.jpg" alt=" -In the figure,
Q91: Which phrase describes curve E in the
Q92: Why has the development of an HIV
Q93: What did Edward Jenner inject individuals with
Q96: Which antibodies activate the complement system?<br>A)IgG and
Q97: Under what conditions does a CD8<sup>+</sup> T
Q98: Which of the following is a characteristic
Q99: How are B cells and T cells