There are like 55 including <span>ferrets, polecats, badgers, </span>marten<span>s, otters, the wolverine, and also some other members belonging to the weasel family.</span>
The nucleus stores genetic information
Answer:
peptide antigens by MHC class II molecules
Explanation:
Helper T cells are activated by peptide antigens by MHC class II molecules. These antigens express on the surface of antigen-presenting cells (APCs). After activation, the T helper cells divide and secrete cytokines to assist the immune response.
<span>2/Blood flows at an average speed of 0.40 m/s in a horizontal artery of radius 1.0 cm. The average pressure is 1.4 × 104N/m2 above atmospheric pressure (the gauge pressure).</span>