Which of these categories has the shortest residence time?
a. atmosphere
b. glaciers
c. rivers
d. soil
A
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Researchers can cut DNA at specific base sequences using ________
a. DNA ligase b. restriction endonucleases c. cloning vectors d. probes
Which of the following is NOT a constituent of
an open circulatory system?
a. hemolymph b. internal cavities c. a heart d. capillaries e. all of these are constituents of an open circulatory system
The Frye standard is ________
A) a method for determining paternity B) set to follow federal rules 402, 403, and 404 C) a means to allow controversial new scientific testing to be used in court if the foundation is solid D) using methods that are tested and have gained general acceptance from the scientific community E) a method that requires pretrial hearings to occur for scientific evidence
A hydrolysis reaction involves the loss of water.
Answer the following statement true (T) or false (F)