Cutting DNA with a particular restriction enzyme produces DNA fragments that can be separated by enzymes.

a. true
b. false


b. false

Biology & Microbiology

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The five-toed limb of stem reptiles was modified into a limb suitable for digging. This is an example of ____

a. convergent evolution b. morphological divergence c. analogous evolution d. morphological convergence e. distal modification

Biology & Microbiology

Two proteins interact to form a multimeric complex. When one of the proteins is mutated, there is a substantial loss of functional activity in the multimeric protein. This type of mutation is classified as __________

A) amorphic B) hypomorphic C) hypermorphic D) neomorphic E) dominant negative

Biology & Microbiology

A class of mutations that results in multiple contiguous amino acid changes in proteins is likely to be which of the following?

A) frameshift B) transition C) base analog D) recombinant E) transversion

Biology & Microbiology

Which of the following is an application that uses PCR?

a. Sequencing a gene, diagnosing a disease, and providing enough DNA for cloning into another organism b. Sequencing a gene c. Providing enough DNA for cloning into another organism d. Diagnosing a disease

Biology & Microbiology