Vectors usually contain genetic (markers/sequences/probes) such as antibiotic genes or fluorescent tags.
Fill in the blank(s) with the appropriate word(s).
markers
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Match the following items with the correct statements.
_______1. Organisms that live on dead or decaying organic matter. _______2. Microorganisms that do not cause disease. _______3. Microorganisms that usually do not cause disease, but can cause disease under certain circumstances. _______4. The microorganisms that live on us and in us. _______5. The most common causes of infectious diseases or microbial intoxications. a. pathogens b. nonpathogens c. opportunistic pathogens d. indigenous microflora e. saprophytes
Agar is derived from
a. red algae. b. brown algae. c. green algae. d. all of the above.
Following long periods of infection with HIV, an X4 strain often evolves. What evolutionary advantage does the X4 strain confer on the viral population, and what specific protein does this strain interact with?
What will be an ideal response?
What can you conclude from the fact that the bones of the winged animal are found in the same fossil bed as the rodent bones?
A) The winged animal interacted with the small rodents when they were both alive, for example, the winged animal may have preyed on the rodents. B) Because it has bones, the winged animal is either a bird or a bat. C) The winged animal is closely related to the small rodents. D) The winged animal lived at the same time as the small rodents.