Explain how abscisic acid promotes the closure of stomates. Identify the molecules involved at each step.
A. ________B. ________C. ________D. ________
What will be an ideal response?
A. Abscisic acid binding to its receptor in the guard cell plasma membrane.
B. Calcium enters next.
C. K+ channels open and K+ exits the guard cells.
D. After K+ exits, water exits. Turgor pressure is decreased and the stomates close.
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As the director of a new non-profit functional genomics research center, it is your job to oversee the set up of each laboratory necessary for achieving the center's research goals. Therefore, you plan to include a (Select all that apply)
_____ DNA microarray facility. _____ proteomics lab. _____ lab to improve sequencing speed and cost. _____ mutagenesis facility. _____ ancient DNA laboratory.
Toxigenicity in Corynebacterium diphtheriae is due to phage conversion
Indicate whether the statement is true or false.
During exhalation, the chest cavity ____ in size, which causes air pressure in the lungs to ____
a. increases; increase b. decreases; decrease c. increases; decrease d. decreases; increase e. expands; remain the same
Which habitat would most likely have the greatest species richness?
a. prairie b. savanna c. tundra d. temperate desert e. tropical rain forest