In some smaller plant species, guttation is caused by __________.
A. Root pressure
B. A decreased rate of active transport of ions into the stele
C. Low root pressure
D. An increased rate of transpiration at night
E. The failure of stomata to close at night
Answer: A. Root pressure
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A. decline B. exponential C. lag D. stationary
Four of the five organelles listed below are part of the endomembrane system. Select the exception
a. smooth ER b. peroxisomes c. Golgi bodies d. vesicles e. mitochondria
Cycads may be characterized as being:a
dioecious and having motile sperm. b. the most primitive flowering plants. c. monoecious and having motile sperm. d. dioecious and having non-motile sperm. e. monoecious and having non-motile sperm.
Fluorescent Microscopy
A. uses light beams that are deflected by a different thickness of the object and are reflected when they strike the objective B. is used to observe viruses and the internal structure of thinly sectioned cells C. is used to observe a specimen that emits light when illuminated with an ultraviolet light D. is used primarily to view spirochetes