A circuit of neurons that helps in the automatic response to a stimulus is a(n) ________
Fill in the blank(s) with correct word
reflex arc
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What harvests energy from food molecules to make ATP?
A. Mitochondria B. Lysosome C. Chloroplasts D. Nucleus
Which of the following is the most effective in
protecting against sexually transmitted diseases? a. condoms b. the Pill c. douching d. an IUD e. the rhythm method
The hole in the ozone layer is primarily due to
A. burning coal. B. CFCs in the upper atmosphere. C. automobile exhaust. D. use of non-CFC aerosols.
How is an immunofiltration assay different from an ELISA?
A) Test antigens are bound to filters rather than plastic plates. B) Positive results are the result of precipitate formation. C) Fluorescent molecules are attached to antigen rather than enzyme. D) Antibodies are bound to filters rather than plastic plates. E) They take longer than ELISAs.