What type of mutation occurred in the following?
Normal allele GGAAUGAAACAGGAACCC
Mutant allele GGAAUGAAACAGGUACCC
substitution
insertion
deletion
frameshift
substitution
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During the ____ period, because their symptoms are declining as they are recovering, many patients stop taking their antibiotics
Fill in the blank(s) with the appropriate word(s).
While synthesizing a new blue pigment, a chemist notices that the new compound accumulates between an aqueous (water) environment and a hydrophobic environment
When added to a mixture of oil and water, the pigment creates a blue ring around the droplets of oil. Which of the following statements best describes this new pigment? A) The pigment is a polar molecule and is forming hydrogen bonds with both the water and oil molecules. B) The pigment is hydrophilic and will not form hydrophobic bonds with the oil. C) The pigment is amphipathic, having polar and nonpolar regions. D) The pigment is neither polar nor nonpolar; it is apolar. E) The pigment is probably hydrophobic and is attempting to bond with the oil.
In a negative feedback system, ____
a. the response of the integrator is aligned with the output of the sensor b. a sensor brings the system back to the setpoint c. a steady state condition cannot be identified d. the response of the integrator is opposite the output of the sensor e. the resulting outcome is always greater than the input
Most body fluids are found in which range of the pH scale?
pH — 1–5 pH — 6–8 pH — 9–14 All body fluids are of pH 7 (neutral).