Plant hormones produce their effects by _____. I) altering the expression of genes II) modifying the permeability of the plasma membrane III) modifying the structure of the nuclear envelope membrane
A. only I
B. only II
C. only III
D. only I and II
E. I, II, and III
Ans: D. only I and II
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Soil in regions with high rainfall or in low-lying areas associated with poor drainage form through the process of
A) laterization. B) calcification. C) gleization. D) podzolization.
In the biology lab, you observed that your lab partner's blood type is AB. The placement of the A and B molecules on each cell is controlled by proteins, coded by different versions of the same gene. Having both is an example of Select one:
a. incomplete dominance. b. recessive inheritance. c. codominant inheritance. d. independent assortment. e. dominant inheritance.
What tissue in vascular plants would be used to move sugars from the roots to the stems and leaves?
a. phloem b. sclerenchyma c. xylem d. parenchyma
Hakeem, given up for adoption as an infant, has red-green color blindness. Is this fact useful in helping him to track down his biological father? Explain
What will be an ideal response?