Why are swollen lymph nodes a sign of infection?

O

A. Memory cells are stored in the lymph nodes.

O

B. Infections cause increased lymphocyte production.

O

C. Bacteria and viruses mostly attack the lymph nodes.

O

D. The liver produces more lymph during infections.

What two fields of study provide the core information that is used to classify organisms?

Pink fur (p) is dominant to purple fur (p) in hamsters. two heterozygous pink hamsters are crossed. what is the probability that these two parents will have an offspring with purple fur? 2/4, 1/2 or 50% 1/4 or 25% 3/4 or 75% 4/4 or 100% there is no chance for this type of offspring

The relationship between intron and exon