Which of the following statements is true?
A) Active transport does not require energy
B) Passive transport never involves a protein
C) Active transport requires energy
D) Both A and B are true
E) Both B and C are true
Ans: C) Active transport requires energy
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Which type of epithelium functions in diffusion?
a. simple squamous epithelium b. stratified squamous epithelium c. cuboidal epithelium d. simple columnar epithelium e. simple pseudostratified columnar epithelium
A(n) ____________________ between chromosome 9 and chromosome 22 in chronic myelogenous leukemia results
in a Philadelphia chromosome. Fill in the blank(s) with the appropriate word(s).
Ergot, a fungus, contains a hallucinogenic drug that binds to serotonin receptors. The natural drug is most similar to ________
A) mescaline B) methamphetamine C) LSD D) morphine