Some bacteria have a water-soluble outer slime layer composed of
A) carbohydrate.
B) lipid.
C) peptidoglycan.
D) protein.
E) lipoteichoic acid.
A
Bloom's Taxonomy: Comprehension
Section: External Structure of Bacterial Cells
Learning Outcome: 3.3
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Cartilage injuries do not repair themselves because ________. a. All of these choices are reasons cartilage injuries do not repair themselves
b. cartilage does not receive nutrients very easily c. cartilage does not contain blood vessels d. None of these are reasons as cartilage does heal itself. e. cartilage does not divide in adults
An example of one of the ways a pH buffer helps to maintain homeostasis is to
A. increase the OH- concentration if pH increases. B. reduce the H+ concentration if pH increases. C. reduce the H+ concentration if pH decreases. D. increase the H+ concentration if pH decreases. E. reduce the OH- concentration if pH decreases.
Choose the letter of the best match from the following:A. protodermB. vascular cambiumC. apical meristemD. procambiumE. ground meristemSource of cells that differentiate into primary vascular tissues.
Fill in the blank(s) with the appropriate word(s).
Which brain structure is associated with the limbic system?
A. brain stem B. frontal lobes C. medulla oblongata D. hippocampus E. pons