T helper cells possess a glycoprotein called CD4. This molecule binds to ________.
A. MHC-CD8 antigens
B. MHC class I molecules
C. Interleukin-1 receptor
D. MHC-CD28 antigens
E. MHC class II molecules
Answer: E
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Which of the following statements correctly compares water-soluble hormones with lipid-soluble hormones?
a) Both types of hormone are carried in the blood attached to a carrier protein. b) Both types of hormone almost always stimulate increases in mRNA transcription. c) Only water-soluble hormones use second messengers. d) Only water-soluble hormones require a receptor. e) Lipid-soluble hormones are not found in the bloodstream.
What is the difference between the abdomen and thorax in terms of ability to change volume?
What will be an ideal response?
The secretion of GnRH, FSH, and LH are pulsatile instead of continuous.
Answer the following statement true (T) or false (F)
what are the proximal attachments of the soleus? select all that apply.
a) medial and lateral condyles of femur b) proximal fibula c) ischial tuberosity d) interosseous membrane e) middle of tibia