Refer to the accompanying figure. Reabsorption of solutes with nutritional value occurs at the point labeled as:
a. 1.
b. 3.
c. 5.
d. 6.
e. 9.
c
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Looking at the results in the figure above, which hypothesis (by Clements or Gleason) is supported by the data?
I) Clements II) Gleason A) only I B) only II C) both I and II D) neither I nor II
Once an egg has been fertilized, what event(s) are crucial for preventing additional sperm from inserting chromosomes into the egg?
A. the acrosomal reaction B. the cortical reaction C. the fast block to polyspermy D. both the acrosomal and cortical reactions E. both the cortical reaction and fast block to polyspermy
A newly discovered unicellular microbe has a nucleus containing linear chromosomes and surrounded by a membrane. It has mitochondria, 80s ribosomes, and is covered by cilia. There is no cell wall external to the plasma membrane. This organism most likely would be a/an
A. bacterium. B. protozoan. C. fungus. D. archaeon. E. algae.
Tobacco mosaic virus can be transmitted between individual plants by biting insects.
Answer the following statement true (T) or false (F)