What is the short stalk that attaches the eudicot leaf to the stem?
a. stem
b. petiole
c. node
d. bundle sheath
e. stomata
b
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The number of generations it takes for an allele to become fixed or lost in a population depends on population size. There are three populations associated with the frequency of the ? allele and its change in frequency. Which population(s) show dramatic change in ? allele frequency and what are these changes? Population 1 = brown mouse (top line); Population 2 = middle line; population 3 =
white mouse (bottom line).
A. Population 1; it shows an extinction of the ? allele resulting in all brown mice.
B. Population 3; it shows an extinction of the ? allele resulting in all white mice.
C. Population 2; it shows an increase in the frequency of the ? allele after 50 generations.
D. Population 1; it shows a fixation of the ? allele resulting in all brown mice and Population 3 shows an extinction of the ? allele resulting in all white mice.
E. Population 1, 2, and 3 all show drastic changes in ? allele frequency after 50 generations, with the complete elimination of the ? allele in all three populations.
Which of the following elements is considered an essential micronutrient for plants?
a. zinc b. potassium c. hydrogen d. arsenic e. platinum
The ATP "high-energy" or "energy-rich" bonds are which of the following types of bond?
A) phosphoester B) phosphoanhydride C) hydrogen D) ionic E) monophosphate
During the process of ________, RuBP combines with oxygen instead of carbon dioxide
Fill in the blank(s) with correct word