What happens to the packaged DNA of a specialized transduced phage when it infects a new recipient cell?
a. The DNA is chewed up by enzymes found in the recipient cell.
b. The host DNA integrates, with the prophage, into the new recipient chromosome.
c. The DNA begins to replicate without integrating into the host chromosome.
Answer: b. The host DNA integrates, with the prophage, into the new recipient chromosome.
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All of the following substances are used to preserve foods EXCEPT
A. calcium propionate. B. sodium nitrite. C. nisin. D. biguanides. E. potassium sorbate.
Which of the following observations led to Darwin's major inferences?
a. Members of a population vary in their heritable traits b. Body parts that are not used deteriorate over time c. Organisms only go extinct when catastrophes occur d. Although organisms can produce huge numbers of offspring, many of these offspring do not survive e. The first and fourth answers are correct
Researchers develop the following ____________ : "Taking megadoses of thiamin is an effective way to prevent mosquito bites."
Fill in the blank(s) with correct word
Photosynthetic pigments in its membrane What part of the chloroplast has photosynthetic pigments in its membrane?
a) granum b) mesophyll c) chlorophyll d) thylakoid e) stroma