Tapeworms and flukes are examples of ____
a. commensalism
b. mutualism
c. competition
d. predation
e. parasitism
ANSWER: e
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What is carried in the plasma of vertebrate animals? What percentage of whole blood is plasma?
What will be an ideal response?
The ability of DNA polymerase to repair its own nucleotide mismatches is called ____________________. Fill in the blank(s) with the appropriate word(s)
Citric acid makes lemons taste sour. Which of the following is a functional group that would cause a molecule like citric acid to be acidic?
A. hydroxyl B. carboxyl C. carbonyl D. hydrocarbon
The accuracy of charging a tRNA with the correct amino acid is about 1.5 × 10-5, which is lower than the error rate of translation (which is about 2 to 5 × 10-4)
Aminoacyl-tRNA synthetases use both kinetic and chemical proofreading. What is the distinction between these two proofreading methods? What will be an ideal response?