The Three-Domain System of classification is based on differences in which one of the following molecules?
A) mRNA
B) peptidoglycan
C) rRNA
D) tRNA
C) rRNA
Biology & Microbiology
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Adult T-cell leukemia is thought to be caused by
A. parvoviruses. B. herpesviruses. C. picornaviruses. D. retroviruses.
Biology & Microbiology
The enzyme _____ prevents chromosomes from shortening at the tips after each round of DNA replication
A. DNA polymerase. B. telomerase. C. topoisomerase II. D. DNA ligase. E. DNA replicase
Biology & Microbiology
Scientists have found that extinction rates among ____ are accelerating rapidly
a. endangered species b. trigger species c. bird species d. amphibian species e. plant species
Biology & Microbiology
Give an example of a hydroskeleton and explain how it provides the support necessary for movement
What will be an ideal response?
Biology & Microbiology