All steroids have
a. the same number of double bonds.
b. one or more fatty acids.
c. four rings of carbon to which other atoms
are attached.
d. the same functional groups.
e. the same number and positions of double
bonds.
C
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A metabolic reaction will most likely reverse itself when the ____
a. pH is too high b. temperature is too low c. reactant concentration is too high d. product concentration is too high e. enzyme concentration is too high
Water has a high heat capacity because it has ____
a. covalent bonds b. ionic bonds c. low freezing point d. high boiling point e. hydrogen bonds
Cancer is the product of a mutation that
a. brings about stunted growth and severe pain b. causes a translocation in a pair of chromosomes c. changes the structure of hemoglobin in the blood d. causes the uncontrolled growth of cells
Most human infections caused by species of Rickettsia ____.
A) Are acquired from fomites B) Could be prevented by handwashing C) Are transmitted via vectors D) Are sexually transmitted