When a molecule cannot dissolve readily in water is can be described as which of the following?
a. polar
b. hydrophobic
c. a solvent
d. hydrophilic
b. hydrophobic
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Some drugs are plant products that can bind neural receptors in a human body because the body makes a similar chemical. Endorphins are the human equivalent of
A) opiates. B) cocaine. C) THC (tetrahydrocannabinol). D) ethanol.
Which of the following organisms is responsible for
the disease called sudden oak disease? a. Balantidium coli b. Phytophthora ramorum c. Macrocystis d. Yersinia pestis e. none of these
In mitochondria, chemiosmosis moves protons from the matrix into the intermembrane space, whereas in chloroplasts, chemiosmosis moves protons from the _____
A) matrix to the stroma B) stroma to the thylakoid space C) intermembrane space to the matrix D) thylakoid space to the stroma
What is the major structural component of bacterial cell walls?
a. cellulose b. arabinogalactan c. peptidoglycan d. proteoglycan