A diet of primarily grains would likely be deficient in the____ fatty acids
a. linoleic and phospholipid
b. linoleic and linolenic
c. omega-5 and omega-3
d. linolenic and omega-5
e. phospholipid and omega-3
ANSWER: b
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Imagine you are talking to your friend who is very excited because he has just transduced his first batch of bacteria in the laboratory. What does this mean?
A. He introduced a gene of interest into his bacteria using viruses. B. He introduced a gene of interest into his bacteria using other bacterial species that can form pili. C. He introduced a gene of interest into his bacteria by lysing other bacterial cells and exposing his bacteria to this mixture. D. He produced a strain of antibiotic-resistant bacteria by exposing his bacterial cultures to antibiotics. E. Through periodic selection, he was able to isolate a gene of interest in his bacteria.
What is an exception to the standard biological species concept used to define a species?
A. Natural interbreeding populations cannot be distinguished using this concept. B. Asexual species cannot be distinguished using this concept. C. Species that coevolved cannot be distinguished using this concept. D. Species that do not resemble one another cannot be distinguished using this concept.
________ is a method used to determine the chemical structure and measure the relative abundance of individual molecules in a sample based on their mass to charge ratio
Fill in the blank with correct word.
Which of the following is NOT an essential role of the liver?
a. protein metabolism b. biotransformation functions c. urea disposal d. carbohydrate metabolism