All steroid hormones are synthesized from ________.
Fill in the blank(s) with the appropriate word(s).
Answer: cholesterol
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There are so many gray areas in life, and so many different opinions, that decisions can only be made on a case-by-case basis. This statement best describes:
What accounts for the evolutionary success of sponges? a. They feed on a relatively untapped food source
b. Their ability to use flagella to create currents. c. Their ability to use budding for reproduction. d. The hermaphroditic properties of sponges.
The primary thermostat of the body is located in the:
a. heart b. hypothalamus c. medulla oblongata d. cerebellum e. thyroid gland
Which statement about forensic DNA profiling is false?
A) The results are always given in terms of the probability that two individuals' DNA could give the exact same genetic profile. B) The technique takes advantage of the fact that portions of the human genome vary greatly throughout the population. C) Because the tests are often run on very small biological samples, such as drops of blood, PCR reactions are used to amplify the DNA before the profiling begins. D) After a profile has been done, a complete DNA sequence is often used to verify the results. E) The strength of DNA fingerprinting is that it determines the alleles that an individual carries at not 1 but 13 different STR locations