What tissue is found within a leaf vein?
a. xylem
b. cortex
c. pith
d. stomata
e. epidermis
ANSWER: a
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Molecular techniques using 16S rRNA gene targeted primers are now used routinely to detect coliforms in water.
Answer the following statement true (T) or false (F)
In an experiment, the control group is
a. not subjected to experimental error. b. exposed to experimental treatments. c. maintained under strict laboratory conditions. d. treated exactly the same as the experimental group, except for one variable. e. statistically the most important part of the experiment.
A virion consists of all but the following:
a. Capsomeres b. Nucleic acids c. Ribosomes d. In some viruses a viral envelope e. Capsid
Which part of the brain regulates balance and coordination?
A. medulla oblongata B. hypothalamus C. amygdala D. cerebellum E. occipital lobe