Biology, 12.03.2020 20:18 NarutoBeast8049
Although restriction enzymes are quite efficient at digestion of foreign DNA, they are prevented from acting on the DNA of host cells by: The inability of host cell DNA to be bound to the active site of the enzyme. The presence of competitive inhibitors which prevent the enzymes from binding to the host DNA. The methylation of bases in recognition sequences in host cell DNA. The inaccessibility of host cell DNA for the enzymes.
Answers: 3
Biology, 22.06.2019 19:00
Which of the following molecules could pass through the plasma membrane by simple diffusion? a. na+ ions b. glucose c. amino acids d. carbon dioxide
Answers: 1
Biology, 22.06.2019 20:30
The human body maintains a temperature of around 98.6 degrees at all times. enzymes are involved in almost every chemical reaction in the body. which of the following describes the connection between these two statements? a. enzymes function best at a specific temperature. b. the body needs to be warm to prevent hypothermia. c. the body is kept relatively warm to prevent too much enzyme action. d. there is no connection between the two statements.
Answers: 1
Biology, 22.06.2019 21:30
Technology can bring both good and bad things. pesticides can make crops more resistant to insects (good) but can harm humans if they are used improperly (bad). give examples of both the good and bad
Answers: 1
Although restriction enzymes are quite efficient at digestion of foreign DNA, they are prevented fro...
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