The root-to-shoot water flow in a plant is called the transpiration stream
a. True
b. False
ANSWER: True
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Cytoplasm is comprised of:
a. organelles and cytosol. b. gametes and organelles. c. DNA and RNA. d. gametes and DNA. e. gametes and RNA.
Throughout the day, a sunflower head turns to face the progress of the sun through the sky. What property of life does this represent?
a. growth and development b. response to stimuli c. order
Staphylococcus aureus is one of the most important human and animal staphylococcal species. It is characterized by ability to produce coagulase.
a. true b. false
Which of the following is not true of viroids?
A. Viroids are small circular ssRNA molecules. B. Extracellular viroids have a lipid bilayer envelope. C. Viroid RNA does not serve as mRNA nor does it direct the synthesis of mRNA. D. Viroids have no protein capsids.