Distilled water is ____ to body cells
a. isotonic
b. hypertonic
c. hypotonic
d. protonic
e. aquatonic
ANSWER: c
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Which part of the nephron acts as a countercurrent multiplier?
A. loop of Henle B. proximal convoluted tubule C. distal convoluted tubule D. collecting duct E. All of these structures act as countercurrent multipliers.
How do scientists most often access genome sequences determined by research projects?
a. They must request the sequence from the group that performed the research. b. They must request the sequence from the governmental or private group that funded the research. c. They must request the sequence from the company that performed the sequencing. d. They can retrieve the sequence from an online public database, such as GenBank. e. They must sequence the organism themselves to obtain the sequence.
If a daughter expresses an X-linked recessive gene,
she inherited the trait from a. her mother. b. her father. c. both parents. d. neither parent. e. her grandmother.
Genetic counselors gather medical and family histories in order to construct a(n) ____________________, which will
enable them to establish the inheritance of a genetic trait in a family. Fill in the blank(s) with the appropriate word(s).