Solution that is equal in solute concentration to that of the cytoplasm of a cell; causes cell to neither lose nor gain water by osmosis.
What will be an ideal response?
isotonic solution
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The type of Escherichia coli that produces a verotoxin similar to the one produced by Shigella dysenteriae is ________ E. coli
A) enterohemorrhagic B) enterotoxigenic C) enteropathogenic D) enteroimmunogenic
During the luteal phase of the menstrual cycle, if the oocyte is not fertilized, a number of events occur which are listed below. Select the answer that places the events in the correct chronological order
Events: 1. the lining of the uterus is shed 2. the corpus luteum secretes progesterone 3. follicle cells are converted to the corpus luteum 4. the corpus luteum degenerates 5. estrogen and progesterone levels fall A. 3, 2, 4, 5, 1 B. 1, 2, 3, 4, 5 C. 2, 4, 3, 1, 5 D. 4, 3, 2, 1, 5 E. 5, 2, 3, 4, 1
How do directional transport and efflux carriers work in auxin signaling?
What will be an ideal response?
__________ or __________ extend from many prokaryotic cells and serve in attachment and motility
ANSWER: Pili; flagella Fill in the blank(s) with the appropriate word(s).