As a result of an increase in phloem solute concentration near a source area, the fluid in the sieve element becomes ____
a. hypotonic
b. hypertonic
c. low turgor
d. low-sugar
e. dilute
b
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What fraction of the time will the cross of Aa Bb with Aa Bb produce an offspring that will express the dominant trait
for both alleles? a. 16/16 b. 9/16 c. 6/16 d. 3/16 e. 1/16
Plants with seeds inside a fruit
A. produce pollen. B. are angiosperms. C. are flowering plants. D. All of the above are correct.
The membrane attack complex is involved in specific immune defense mechanisms.
Answer the following statement true (T) or false (F)
In early spring 2009, the CDC reported several dozen cases of novel H1N1 influenza ("swine flu") in the United States. By the summer, the number of confirmed cases was reported as over 40,000. The pattern of novel H1N1 cases in the United States represents a(n) ________ disease
A) epidemic B) endemic C) sporadic D) pandemic E) opportunistic