PLEASE ANSWER ASAP FOR BRAINLEST Sites where white blood cells interact to generate immune responses to antigens inducing the Spleen Tonsils Lymph vessels Lymph nodes Adenoids Skin Liver *
A. immune system
B. Thymus
C. Bone marrow
D. B cells and T cells
E. Secondary lymphatic tissues

Aresearcher has developed two stains for use with seed plants. one stains sporophyte tissue blue; the other stains gametophyte tissue red. if the researcher exposes pollen grains to both stains, and then rinses away the excess stain, what should occur? a) the pollen grains will be pure red.b) the pollen grains will be pure blue.c) the pollen grains will have red interiors and blue exteriors.d) the pollen grains will have blue interiors and red exteriors.

In what part of a chloroplast does glucose production occur? a. atp synthase b. photosystem ii c. photosystem d. stroma

20. in humans, freckles are dominant to no freckles. trey has no freckles and his wife anna grace has freckles, but her dad doesn't. they want to know what percentage of their kids would look like trey. show a punnett square to support your answer.