The former kingdom Prokaryotae has been divided into two (domains/phyla/classes) in the current taxonomy.
Fill in the blank(s) with the appropriate word(s).
domains
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Rubisco has 16 subunits joined together to make a functional unit. Eight of the subunits are large, the
other 8 are small. Where on this enzyme are the active sites located?
a. on each of the 8 large subunits b. on each of the 8 small subunits c. on one of the 8 large subunits d. on one of the 8 small subunits e. on each of the 16 subunits
The drug used for several protozoan infections is ________.
A. nystatin B. amphotericin B C. sulfa drugs D. metronidazole E. griseofulvin
Coronary arteries may become blocked
A. by a thrombus, producing a coronary thrombosis. B. and cause the formation of atherosclerotic lesions. C. as the direct result of angina pectoris. D. as the direct result of an infarct (area of tissue death) in the heart. E. All of these can block coronary arteries.
When a cell responds to a signal it sent, this is an example of
A. endocrine signalling. B. direct intercellular signaling. C. contact-dependent signaling. D. autocrine signaling. E. paracrine signaling.