Blood plasma without clotting factors is called ____
a. thrombin
b. fibrin
c. thromboplastin
d. serum
d
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Identify the missing portion in this overview of gene-controlled protein production indicated by C in the figure below.
A)Replication B)transcription C)translation D)mRNA
What does "E" represent?
A. Conus medullaris B. Spinal nerves C. Filium terminale D. Cauda equina E. Cervical enlargement
Which of the following organelles is not part of the endomembrane system?
A. vesicles. B. mitochondria. C. rough ER. D. Golgi apparatus.
At this point, the tube that carries the sperm outside the body meets the prostate gland. Before a male can ejaculate, the spongy tissue surrounding the penis called, ___________, becomes engorged with blood causing the penis to become rigid.
Fill in the blank(s) with the appropriate word(s).