Lymphocytes with a CD8 glycoprotein on their surface are called ________ cells and lymphocytes with a CD4 glycoprotein on their surface are called ________ cells.
A. B; cytotoxic T
B. cytotoxic T; B
C. cytotoxic T; helper
D. B; helper T
E. helper T; cytotoxic T
Answer: C
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Explain why food does not normally go up into your nasal cavity or down into your lungs when you swallow-even if you are standing on your head when you swallow
What will be an ideal response
The movement of solutes or water between adjacent cells is called __________ transport
Fill in the blank with the correct word.
Which of the following contribute to the limitation of movement of a joint?
A) presence of muscle, other bones, etc., near the joint B) tendon attachments C) the joint capsule D) shape of the articular surface E) All of the answers are correct.
Match the cell structure to its function: Lysosomes.
A)Neutralize dangerous free radicals B)Contain digestive enzymes C)Ribosome synthesis D)Support cellular structures E)Protein packaging and modification F)Protein synthesis