The movement of continents over time is referred to as _______
What will be an ideal response?
continental drift.
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Match the following items with the correct phrases.
_______1. In ____________________, bacteria acquire new genetic information in the form of viral genes. _______2. Oswald Avery and his colleagues discovered that DNA is the hereditary molecule while performing ____________________ experiments with Streptococcus pneumoniae. _______3. In ____________________, bacteria acquire new genetic information as a result of absorbing pieces of naked DNA from their environment. _______4. In ____________________, genetic information is passed from one bacterial cell to another via a hollow sex pilus. _______5. In ____________________, bacteria acquire new genetic information when bacteriophages inject bacterial genes. a. conjugation b. lysogenic conversion c. mutation d. transduction e. transformation
The double helix of DNA is composed of building blocks called amino acids.
a. monosaccharides. b. phospholipids. c. disaccharides. d. nucleotides
What is the primary stain, mordant, decolorizing agent, and counterstain of the Gram stain protocol? What is the purpose of each? How does the protocol result in gram-positive cells staining purple and gram-negative cells staining pink?
What will be an ideal response?
What type of potential transmission is texting on one's phone?
A. Fomite B. Direct C. Vector D. Vehicle