Because DNA replication takes place at an extremely rapid rate, a cell must repair breaks in a strand of
DNA up to approximately how many times in an hour?
a. ten
b. one thousand
c. ten thousand
d. one hundred thousand
e. two million
E
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Which of the following is the main component of cell membranes?
A. phospholipids B. steroids C. cholesterol D. sucrose E. triglycerides
Who formalizes a set of criteria for determining the cause of infectious diseases. He proposed that for concluding that a microbe causes a particular disease, these criteria must be fulfilled.
A. Alexander Fleming B. Ignatz Semmelweis C. Louis Pasteur D. Robert Koch E. Joseph Lister
Which of these molecules is made up of a combination of the other?
A. monomers B. Polymers
Which of the following is NOT an end product of glycolysis?
a. total of 4 ATP produced b. net yield of 2 ATP c. 2 pyruvate molecules d. carbon dioxide e. production of a pair of three carbon molecules