TLS Online TPP Program

#Question id: 3264


Which of the following is (are) true of natural selection?

#Unit 11. Evolution and Behavior
  1. requires genetic variation

  2. Results in descent with modification

  3. Involves differential reproductive success

  4. All of the above

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TLS Online TPP Program

#Question id: 3811

#Unit 3. Fundamental Processes

The mechanism of DNA replication is studied in an E. coli replication fork. Which is a characteristic of this replication fork?

TLS Online TPP Program

#Question id: 3812

#Unit 3. Fundamental Processes

The mechanism of DNA replication is studied in an E. coli replication fork. Which is a characteristic of this replication fork?

TLS Online TPP Program

#Question id: 3813

#Unit 3. Fundamental Processes

The mechanism of DNA replication is studied in an E. coli replication fork. Which is a property of Okazaki pieces in an E. coli replication fork?

TLS Online TPP Program

#Question id: 3814

#Unit 3. Fundamental Processes

The mechanism of DNA replication is studied in an E. coli replication fork.

Which is a property of RNA primers in an E. coli replication fork?

TLS Online TPP Program

#Question id: 3815

#Unit 3. Fundamental Processes

Use the figure to answer the following question. A space probe returns with a culture of a microorganism found on a distant planet. Analysis shows that it is a carbon-based life-form that has DNA. You grow the cells in 15N medium for several generations and then transfer them to 14N medium. Which pattern in the figure would you expect if the DNA was replicated in a conservative manner?

TLS Online TPP Program

#Question id: 3816

#Unit 3. Fundamental Processes

The mechanism of DNA replication is studied in an E. coli replication fork. Which is a characteristic of an E. coli replication fork and a eukaryotic replication fork?