__________ is (are) a simple sugar(s) (a monosaccharide).
A) Glucose
B) Sucrose
C) Ribose
D) Chitin
E) Glucose and ribose
Answer: E) Glucose and ribose
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Would babies need to be immunized against lockjaw (tetanus) if their mother had been immunized against the disease? Why or why not?
A. No-because the mother's IgG antibodies would be passed along through the placenta before birth, protecting the baby from the infection. B. Yes-because even though maternal IgG antibodies might be passed along through the placenta, they will not last forever. The baby will need to create its own antibody response to be protected against future tetanus. C. No-because maternal IgG antibodies would be passed along in the breast milk, protecting the baby from infection. D.
Huntington's disease is a fatal disorder characterized by abnormal muscle movements called chorea. Based on your knowledge of the nervous system, which brain region would be disrupted by Huntington's disease?
A) thalamus B) midbrain C) caudate nucleus D) corpus callosum
According to Koch's postulates, in order to prove that any given infectious agent causes a certain disease, a scientist must satisfy all of the following requirements EXCEPT:
A. the pathogen must be cultured and isolated from every case of the disease B. the disease is caused by the triangle of infection, host, environment and the pathogen C. the same pathogen must be re-isolated in the diseased host D. the cultured pathogen must cause the disease when inoculated into a healthy host E. the pathogen must be present in every case of the disease
Auxins primarily flow downward in shoots and roots and this transport is called
A. nonpolar. B. dipolar. C. polar. D. bipolar. E. tripolar.