Which of the following is usually the first cell type to leave the blood and enter infected tissues?
A. eosinophil
B. lymphocyte
C. monocyte
D. natural killer cell
E. neutrophil
E
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Which of the following is true of the dura mater?
A) The outer (endosteal) layer is fused to the periosteum of the cranial bones. B) It consists of three layers around the brain only. C) It contains the subarachnoid spaces. D) It follows precisely and adheres closely to the contours of the brain tissue. E) None of the answers are correct.
The ____________________ cells of the thyroid gland secrete the iodine-containing hormones ____________________ and ____________________
Fill in the blank(s) with correct word
Where are sound vibrations amplified?
A) tympanic membrane B) auditory ossicles C) semicircular canals D) vestibule
If a protein is giving to be used in the cytosol, it si likely to be made by ________________. however, if it is going to be secreted from the cell, it is made by ________________ on the RER.
a) lysosomes; free ribosomes b) polyribosomes; free ribosomes c) polyribosomes; lysosomes d) free ribosomes; polyribosomes e) peroxisomes; lysosomes