Which of the following statements about Malpighian tubules is correct?
A. All the answer options are correct.
B. They are a series of tubes that empty into
the hindgut of insects.
C. They actively secrete uric acid and excess
electrolytes while retaining key solutes.
D. They allow insects to live in dry terrestrial
environments.
E. They allow for excretion nitrogenous
wastes with minimal water loss.
A
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The process of conversion of ammonia to nitrate is referred to as ________.
A. denitrification B. nitrogen fixation C. ammonification D. nitrification
Genes with large numbers of _____________ base pairs are more likely to have a higher mutation rate
than genes with large numbers of ___________ base pairs. Fill in the blank(s) with the appropriate word(s).
Allergy testing, which is accomplished by injecting tiny amounts of allergen into the skin and examining the injection site for a reaction, is an example of an in vitro test.
a. true b. false
Which of the following is not associated with the cytoskeleton?
A. actin filaments B. microbodies C. microtubules D. intermediate filaments E. centrosome