The narrow zone of dead skin overhanging the proximal end of a nail is called the __________.
A. eponychium
B. lunule
C. nail plate
D. nail body
E. nail root
A. eponychium
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Increasing ________ will decrease the amount of mRNA transcript within a cell for a constitutively active gene.
A) ribonuclease activity only B) ribonuclease activity, RNA polymerase activity and siRNA concentration C) siRNA concentration only D) ribonuclease activity and siRNA concentration only E) RNA polymerase activity only
The colon is an organ included in which body system?
A. Gastrointestinal B. Cardiovascular C. Integumentary D. Reproductive
The blood vessels that bring deoxygenated blood back to the heart are called the _____.?
A) ?aorta B) ?pulmonary arteries C) ?pulmonary veins D) ?vena cava
The channels that convey milk from the mammary glands to the nipples are called ________ ducts.
Fill in the blank(s) with the appropriate word(s).