As soils dry, root cells at the root tip produce _________, which ____________
A. abscisic acid; stimulates root elongation
B. abscisic acid; suppresses root elongation
C. ethylene; stimulates root elongation
D. ethylene; suppresses root elongation
E. auxin; stimulates root elongation
A
You might also like to view...
In eukaryotic transcription, TFIID recognizes and binds the ________ box in the DNA.
Fill in the blank(s) with the appropriate word(s).
Which pair of traits is homologous?
a. butterfly wings and bat wings b. the surfaces of bird and bat wings c. the skeletons of bird and bat wings d. butterfly wings and bird wings e. bird wings and bat wings
Individuals who have been infected by varicella-zoster virus may develop (Kaposi's sarcoma/shingles/whitlows) later in life if they experience severe stress or immune suppression.
Fill in the blank(s) with the appropriate word(s).
The figure above represents the findings of an observation study that examined the selection pressure of pre-dation on group size and behavior in guppies. Interpret the graphs and explain the results
What will be an ideal response?