Which of the following is TRUE of chemokines?
A) They ensure production of enough leukocytes.
B) They are involved in B lymphocyte activation and differentiation.
C) They are chemotactic factors for leukocytes.
D) They cause basophils and eosinophils to degranulate.
E) They are substances used to signal between leukocytes.
C
You might also like to view...
What is gross primary production?
A. The carbon fixed during photosynthesis. B. The carbon fixed after cellular respiration is accounted for. C. Energy released by primary consumers. D. Photosynthetic production plus energy recycled by detritivores.
In plants, a zygote develops into a ________
a. gametophyte b. sporophyte c. spore d. gamete
The study of how large-scale ecological factors influence local populations and communities is
specifically defined as conservation biology.
Indicate whether the statement is true or false.Describe two advantages for cloning a gene from a cDNA library versus a genomic DNA library
What will be an ideal response?