Specific cells in developing seeds and maturing fruits have receptors for ethylene, but cells in stems generally do not
a. True
b. False
ANSWER: True
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Birds and fish contain high amounts of yolk in their eggs. What can be said about cell cleavage during embryonic development in these animals?
A. It is meroblastic. B. It is holoblastic. C. It is complete. D. The blastula that forms involved cleavage through the entire egg. E. It is impossible for bird and fish eggs to undergo cleavage during development.
Glucose dissolves in water because it
a. ionizes. b. is a polysaccharide. c. is a polar and forms many hydrogen bonds with water molecules. d. has a very reactive primary structure. e. is an isotope
The __________ is a sedimentary cycle; Earth's crust is the largest reservoir, and there is no major gaseous form. Fill in the blank(s) with the appropriate word(s)
Looking at the table above, predict what will happen if a new antibiotic to the food poisoning bacteria Cam-pylobacter jejuni is developed and prescribed heavily by physicians beginning in 2012
a. Campylobacter jejuni will be effectively treated for the next 2–3 decades. b. Campylobacter jejuni will be effectively treated for the next 2–5 years. c. The new antibiotic will make all former antibiotics for the treatment of Campylobacter jejuni obsolete. d. B and C.