★ Histology Quiz
This specialized cell fights off foreign invaders
A. RBC
B. Mast Cells
C. WBC
D. Macrophages
Select your answer:

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Biotechnology › View
The unpaired nucleotides produced by the action of restriction enzymes are referred to as…..
A. sticky end.
B. base sequence.
C. single strands.
D. restriction fragments.
Endocrinology › View
The pituitary is mostly controlled by:
A. the pineal gland
B. the thalamus
C. the thyroid
D. the hypothalamus