_______________ are chemical substances produced in small quantities in one part of an organism and then transported to another part of the organism, where they bring about physiological responses.
A. Glycoproteins
B. Photosynthates
C. Hormones
D. Heat shock proteins
E. Pulvini
C. Hormones
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What is the main difference between a disturbance and a disturbance regime?
A) A disturbance regime includes defining the predictable frequency and severity of the disturbance. B) A disturbance regime includes defining the length of the disturbance. C) A disturbance regime is a more specific type of disturbance. D) They are essentially the same thing.
In competitive inhibition, the inhibitor binds to the enzyme at the allosteric site
__________________ Indicate whether the statement is true or false.
Aldosterone release is stimulated by
A) decreased levels of blood sodium. B) increased blood glucose concentrations. C) increased levels of growth hormone. D) decreased blood glucose concentrations. E) increased levels of blood sodium.
Which of the following bacteria is a common soil contaminant that may cause disease in humans and is a biological select agent?
A. Aspergillus oryzae B. Bacillus anthracis C. Cyanobacteria D. Lactoccocus cremoris E. Streptomyces scabies