4. Which of the following is true of both T cells and B cells?
1 answer:
Answer:
d they respond to pathogens
You might be interested in
Answer:
Jack Russell Terrier
Explanation:
Answer:
Xylem and phloem are the example of vascular tissue. Plant cell function together to form tissue.
Answer:
D
Explanation:
pretty sure!
A negative reinforcer is any stimulus that, when removed after a response, strengthens the response.