A plasmid that is attached to the cell membrane or integrated into the bacterial chromosome is called an episome (q.v.). Plasmids are extremely valuable tools in the fields of molecular biology and genetics, specifically in the area of genetic engineering (q.v.).
Gerund and Infinitive: Whatâs the Difference? Knowing the difference between gerund and infinitive can save you from making costly grammar mistakes when writing. In a nutshell, a word formed from a verb acting as a noun and ending in ing is a gerund. Infinitive phrases â normally referred to as infinitives â are formed with the word to in front of a verb.
Gerund and Infinitive Phrases. Gerunds and Infinitives are both verbals. A verbal is a word formed from a verb but functioning. as a different part of speech, usually a noun. Gerunds are formed when an â-ingâ ending is. added to a verb, and every infinitive is composed of âtoâ plus a verb. When grouped with.