Attributes of Welwitschia mirabilis include
A. It is a member of the Gnetales.
B. It obtains most of its water from seasonal heavy rains.
C. Its stems are photosynthetic, but its leaves are not.
D. It lives under desert conditions.
E. It has only two leaves.
Answer: E
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Which cells in the root have a suberin layer called the Casparian strip?
A. endodermis B. pericycle C. cortex D. epidermis E. root hair
It is difficult to assign a precise phenotypic definition to alcoholism because _____
a. not enough volunteers agree to participate in genome wide association studies b. alcoholism does not have environmental components c. alcoholism is an innate behavior d. genetic testing for alcoholism is not available e. excessive consumption of alcohol is subjective
Foodborne intoxication requires the ingestion of living organisms
Indicate whether this statement is TRUE or FALSE.
Answer the following statements true (T) or false (F)
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