In an adult female, the body consists of about ________ percent water
A) 60
B) 50
C) 40
D) 70
E) 80
B
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Two solutions are separated by a selectively permeable membrane. If solution A has a higher concentration of a nonpermeating solute than solution B, then __________.
A. the solute will pass down its concentration gradient from solution A to B B. the solute will pass down its concentration gradient from solution B to A C. water will pass down its concentration gradient from solution A to B D. water will pass down its concentration gradient from solution B to A E. neither the solute nor water will diffuse
The enzyme ________ and ________ ions are required for the synthesis of mRNA.
Fill in the blank(s) with the appropriate word(s).
A deficiency of vitamin B12 is responsible for aplastic anemia
Indicate whether the statement is true or false
Which of the following organ systems is derived from all three germ layers?
A. nervous B. cardiovascular C. endocrine D. integumentary E. skeletal