A change in the genetic information of a cell; The ultimate source of genetic diversity; A mutation also can occur in the DNA or RNA of a virus
What will be an ideal response?
Mutation
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Caring for patients infected with a new virus requires safety precautions for medical personnel. Choosing appropriate procedures is an example of a(n) ________ process.
A. inductive B. pathogenic C. deductive D. hypothetical
How could you distinguish between a root hair versus a very small root?
A. Root hairs are white, while roots are brown. B. Root hairs are extensions of single cells, while roots are multicellular. C. Root hairs only absorb water, not nutrients like roots. D. Root hairs do not have a cuticle. E. The epidermis of a root hair is thinner than the epidermis of a root.
In DNA replication, a primer is
a. what the original DNA strands are called. b. an enzyme that breaks the hydrogen bonds between base pairs. c. a short piece of nucleic acid that ‘jump starts’ the replication process. d. a molecule that provides the energy for nucleotide attachments. e. a regulatory protein that turns on the gene that starts DNA replication
Electrons are shared in bonds that are
a. covalent. b. polar. c. nonpolar. d. covalent, polar, or nonpolar. e. covalent, but not polar or nonpolar.