Experiments have shown that sap transport peaks ____
a. in the early morning
b. by mid-morning
c. at midday
d. in the evening
e. overnight
ANSWER: c
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Refer to Figure 31-1. Which of the following structures was produced by meiosis?
A. 1 B. 3 C. 4 D. 5 E. 6
a special region of the chromatin where rRNA is produced and where proteins from the cytoplasm gather to form ribosomal subunits.
What will be an ideal response?
Which of the following bacterial genera is useful for sewage treatment?
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