Which of the following eukaryotic RNA processing events does not occur in the nucleus?
A. intron splicing
B. polyadenylation
C. degradation of mRNA
D. RNA editing
C
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Which of the following is not a kingdom in the Eucarya?
a. Archaea b. Plantae c. Fungi d. Protista e. Animalia
The usual, naturally-occurring mechanism that prevents development of cancer is the action of ____
a. cytotoxic T cells b. oncogenes c. radiation d. chemotherapy e. carcinogens
Plantar fasciitis is an inflammation of the fascia within the sole of the foot, resulting in foot and heel pain. What is a fascia?
A) a bundle of muscle cells that are enclosed in a connective tissue sheath B) a bundle of protein filaments (thick and thin) located within muscle cells C) the fibrous connective tissue sheath that surrounds the fascicles of the muscle D) a connective tissue structure that attaches one muscle to another muscle E) the area where the actin and myosin filaments overlap within a muscle cell
Which of the following statements regarding flowering plants is correct?
A) The gametophyte is the dominant generation. B) Female gametophytes develop from megaspores within the anthers. C) Pollination is the delivery of pollen to the stigma of a carpel. D) The food-storing endosperm is derived from the cell that contains one polar nucleus and two sperm nuclei.